Home / 24,869.78-34,319.18-13,538.99

Finding the Fourth Proportional to 24,869.78, 34,319.18 and 13,538.99

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Solution

The fourth proportional to 24,869.78, 34,319.18 and 13,538.99 is: 18,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,869.78 : 34,319.18 = 13,538.99 : x
  2. Step 2: Convert to fraction form
    24,869.78/34,319.18 = 13,538.99/x
  3. Step 3: Cross multiply
    24,869.78x = 34,319.18 × 13,538.99
  4. Step 4: Simplify right side
    24,869.78x = 464,646,795.54
  5. Step 5: Solve for x
    x = 464,646,795.54/24,869.78
  6. Step 6: Final answer
    x = 18,683.19

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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.