Home / 13,301.27-18,357.03-9,938.24

Finding the Fourth Proportional to 13,301.27, 18,357.03 and 9,938.24

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Solution

The fourth proportional to 13,301.27, 18,357.03 and 9,938.24 is: 13,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.27 : 18,357.03 = 9,938.24 : x
  2. Step 2: Convert to fraction form
    13,301.27/18,357.03 = 9,938.24/x
  3. Step 3: Cross multiply
    13,301.27x = 18,357.03 × 9,938.24
  4. Step 4: Simplify right side
    13,301.27x = 182,436,478.04
  5. Step 5: Solve for x
    x = 182,436,478.04/13,301.27
  6. Step 6: Final answer
    x = 13,715.72

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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.