Home / 17,869.50-24,661.49-9,913.28

Finding the Fourth Proportional to 17,869.50, 24,661.49 and 9,913.28

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Solution

The fourth proportional to 17,869.50, 24,661.49 and 9,913.28 is: 13,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.50 : 24,661.49 = 9,913.28 : x
  2. Step 2: Convert to fraction form
    17,869.50/24,661.49 = 9,913.28/x
  3. Step 3: Cross multiply
    17,869.50x = 24,661.49 × 9,913.28
  4. Step 4: Simplify right side
    17,869.50x = 244,476,082.71
  5. Step 5: Solve for x
    x = 244,476,082.71/17,869.50
  6. Step 6: Final answer
    x = 13,681.19

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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.