Home / 16,587.40-24,881.10-13,306.90

Finding the Fourth Proportional to 16,587.40, 24,881.10 and 13,306.90

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Solution

The fourth proportional to 16,587.40, 24,881.10 and 13,306.90 is: 19,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.40 : 24,881.10 = 13,306.90 : x
  2. Step 2: Convert to fraction form
    16,587.40/24,881.10 = 13,306.90/x
  3. Step 3: Cross multiply
    16,587.40x = 24,881.10 × 13,306.90
  4. Step 4: Simplify right side
    16,587.40x = 331,090,309.59
  5. Step 5: Solve for x
    x = 331,090,309.59/16,587.40
  6. Step 6: Final answer
    x = 19,960.35

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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.