Home / 16,020-22,121.28-10,061.64

Finding the Fourth Proportional to 16,020, 22,121.28 and 10,061.64

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Solution

The fourth proportional to 16,020, 22,121.28 and 10,061.64 is: 13,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020 : 22,121.28 = 10,061.64 : x
  2. Step 2: Convert to fraction form
    16,020/22,121.28 = 10,061.64/x
  3. Step 3: Cross multiply
    16,020x = 22,121.28 × 10,061.64
  4. Step 4: Simplify right side
    16,020x = 222,576,355.70
  5. Step 5: Solve for x
    x = 222,576,355.70/16,020
  6. Step 6: Final answer
    x = 13,893.66

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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.