Home / 16,587.28-22,888.94-9,871.82

Finding the Fourth Proportional to 16,587.28, 22,888.94 and 9,871.82

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Solution

The fourth proportional to 16,587.28, 22,888.94 and 9,871.82 is: 13,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.28 : 22,888.94 = 9,871.82 : x
  2. Step 2: Convert to fraction form
    16,587.28/22,888.94 = 9,871.82/x
  3. Step 3: Cross multiply
    16,587.28x = 22,888.94 × 9,871.82
  4. Step 4: Simplify right side
    16,587.28x = 225,955,446.31
  5. Step 5: Solve for x
    x = 225,955,446.31/16,587.28
  6. Step 6: Final answer
    x = 13,622.22

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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.