Home / 23,388.54-32,276.16-13,178.76

Finding the Fourth Proportional to 23,388.54, 32,276.16 and 13,178.76

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Solution

The fourth proportional to 23,388.54, 32,276.16 and 13,178.76 is: 18,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.54 : 32,276.16 = 13,178.76 : x
  2. Step 2: Convert to fraction form
    23,388.54/32,276.16 = 13,178.76/x
  3. Step 3: Cross multiply
    23,388.54x = 32,276.16 × 13,178.76
  4. Step 4: Simplify right side
    23,388.54x = 425,359,766.36
  5. Step 5: Solve for x
    x = 425,359,766.36/23,388.54
  6. Step 6: Final answer
    x = 18,186.67

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Half scale
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Double scale
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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.