Home / 15,439.56-23,143.14-8,036.16

Finding the Fourth Proportional to 15,439.56, 23,143.14 and 8,036.16

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Solution

The fourth proportional to 15,439.56, 23,143.14 and 8,036.16 is: 12,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.56 : 23,143.14 = 8,036.16 : x
  2. Step 2: Convert to fraction form
    15,439.56/23,143.14 = 8,036.16/x
  3. Step 3: Cross multiply
    15,439.56x = 23,143.14 × 8,036.16
  4. Step 4: Simplify right side
    15,439.56x = 185,981,975.94
  5. Step 5: Solve for x
    x = 185,981,975.94/15,439.56
  6. Step 6: Final answer
    x = 12,045.81

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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.