Home / 16,123.20-22,248.48-9,048

Finding the Fourth Proportional to 16,123.20, 22,248.48 and 9,048

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Solution

The fourth proportional to 16,123.20, 22,248.48 and 9,048 is: 12,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,123.20 : 22,248.48 = 9,048 : x
  2. Step 2: Convert to fraction form
    16,123.20/22,248.48 = 9,048/x
  3. Step 3: Cross multiply
    16,123.20x = 22,248.48 × 9,048
  4. Step 4: Simplify right side
    16,123.20x = 201,304,247.04
  5. Step 5: Solve for x
    x = 201,304,247.04/16,123.20
  6. Step 6: Final answer
    x = 12,485.38

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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.