Home / 15,648.12-23,472.90-5,785.56

Finding the Fourth Proportional to 15,648.12, 23,472.90 and 5,785.56

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Solution

The fourth proportional to 15,648.12, 23,472.90 and 5,785.56 is: 8,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.12 : 23,472.90 = 5,785.56 : x
  2. Step 2: Convert to fraction form
    15,648.12/23,472.90 = 5,785.56/x
  3. Step 3: Cross multiply
    15,648.12x = 23,472.90 × 5,785.56
  4. Step 4: Simplify right side
    15,648.12x = 135,803,871.32
  5. Step 5: Solve for x
    x = 135,803,871.32/15,648.12
  6. Step 6: Final answer
    x = 8,678.61

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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.