Home / 15,123.36-22,687.20-4,732.32

Finding the Fourth Proportional to 15,123.36, 22,687.20 and 4,732.32

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Solution

The fourth proportional to 15,123.36, 22,687.20 and 4,732.32 is: 7,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.36 : 22,687.20 = 4,732.32 : x
  2. Step 2: Convert to fraction form
    15,123.36/22,687.20 = 4,732.32/x
  3. Step 3: Cross multiply
    15,123.36x = 22,687.20 × 4,732.32
  4. Step 4: Simplify right side
    15,123.36x = 107,363,090.30
  5. Step 5: Solve for x
    x = 107,363,090.30/15,123.36
  6. Step 6: Final answer
    x = 7,099.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.