Home / 16,587.75-22,891.10-9,135.75

Finding the Fourth Proportional to 16,587.75, 22,891.10 and 9,135.75

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Solution

The fourth proportional to 16,587.75, 22,891.10 and 9,135.75 is: 12,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.75 : 22,891.10 = 9,135.75 : x
  2. Step 2: Convert to fraction form
    16,587.75/22,891.10 = 9,135.75/x
  3. Step 3: Cross multiply
    16,587.75x = 22,891.10 × 9,135.75
  4. Step 4: Simplify right side
    16,587.75x = 209,127,366.83
  5. Step 5: Solve for x
    x = 209,127,366.83/16,587.75
  6. Step 6: Final answer
    x = 12,607.34

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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.