Home / 18,970.28-26,178.96-10,586.76

Finding the Fourth Proportional to 18,970.28, 26,178.96 and 10,586.76

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Solution

The fourth proportional to 18,970.28, 26,178.96 and 10,586.76 is: 14,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.28 : 26,178.96 = 10,586.76 : x
  2. Step 2: Convert to fraction form
    18,970.28/26,178.96 = 10,586.76/x
  3. Step 3: Cross multiply
    18,970.28x = 26,178.96 × 10,586.76
  4. Step 4: Simplify right side
    18,970.28x = 277,150,366.57
  5. Step 5: Solve for x
    x = 277,150,366.57/18,970.28
  6. Step 6: Final answer
    x = 14,609.71

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Half scale
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Double scale
Find fourth proportional to 18,971.28, 26,180.34 and 10,587.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.