Home / 16,253.40-22,428.30-9,179.16

Finding the Fourth Proportional to 16,253.40, 22,428.30 and 9,179.16

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Solution

The fourth proportional to 16,253.40, 22,428.30 and 9,179.16 is: 12,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.40 : 22,428.30 = 9,179.16 : x
  2. Step 2: Convert to fraction form
    16,253.40/22,428.30 = 9,179.16/x
  3. Step 3: Cross multiply
    16,253.40x = 22,428.30 × 9,179.16
  4. Step 4: Simplify right side
    16,253.40x = 205,872,954.23
  5. Step 5: Solve for x
    x = 205,872,954.23/16,253.40
  6. Step 6: Final answer
    x = 12,666.45

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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.