Home / 18,970.71-26,182.22-10,587.75

Finding the Fourth Proportional to 18,970.71, 26,182.22 and 10,587.75

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Solution

The fourth proportional to 18,970.71, 26,182.22 and 10,587.75 is: 14,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.71 : 26,182.22 = 10,587.75 : x
  2. Step 2: Convert to fraction form
    18,970.71/26,182.22 = 10,587.75/x
  3. Step 3: Cross multiply
    18,970.71x = 26,182.22 × 10,587.75
  4. Step 4: Simplify right side
    18,970.71x = 277,210,799.81
  5. Step 5: Solve for x
    x = 277,210,799.81/18,970.71
  6. Step 6: Final answer
    x = 14,612.57

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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.