Home / 24,689.12-34,071-13,511.12

Finding the Fourth Proportional to 24,689.12, 34,071 and 13,511.12

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Solution

The fourth proportional to 24,689.12, 34,071 and 13,511.12 is: 18,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,689.12 : 34,071 = 13,511.12 : x
  2. Step 2: Convert to fraction form
    24,689.12/34,071 = 13,511.12/x
  3. Step 3: Cross multiply
    24,689.12x = 34,071 × 13,511.12
  4. Step 4: Simplify right side
    24,689.12x = 460,337,369.52
  5. Step 5: Solve for x
    x = 460,337,369.52/24,689.12
  6. Step 6: Final answer
    x = 18,645.35

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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.