Home / 19,587.30-29,400.15-9,737.70

Finding the Fourth Proportional to 19,587.30, 29,400.15 and 9,737.70

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Solution

The fourth proportional to 19,587.30, 29,400.15 and 9,737.70 is: 14,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.30 : 29,400.15 = 9,737.70 : x
  2. Step 2: Convert to fraction form
    19,587.30/29,400.15 = 9,737.70/x
  3. Step 3: Cross multiply
    19,587.30x = 29,400.15 × 9,737.70
  4. Step 4: Simplify right side
    19,587.30x = 286,289,840.66
  5. Step 5: Solve for x
    x = 286,289,840.66/19,587.30
  6. Step 6: Final answer
    x = 14,616.10

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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.