Home / 19,538.64-29,312.28-10,769.04

Finding the Fourth Proportional to 19,538.64, 29,312.28 and 10,769.04

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Solution

The fourth proportional to 19,538.64, 29,312.28 and 10,769.04 is: 16,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.64 : 29,312.28 = 10,769.04 : x
  2. Step 2: Convert to fraction form
    19,538.64/29,312.28 = 10,769.04/x
  3. Step 3: Cross multiply
    19,538.64x = 29,312.28 × 10,769.04
  4. Step 4: Simplify right side
    19,538.64x = 315,665,115.81
  5. Step 5: Solve for x
    x = 315,665,115.81/19,538.64
  6. Step 6: Final answer
    x = 16,155.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.