Home / 15,815.52-23,707.08-5,947.92

Finding the Fourth Proportional to 15,815.52, 23,707.08 and 5,947.92

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Solution

The fourth proportional to 15,815.52, 23,707.08 and 5,947.92 is: 8,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.52 : 23,707.08 = 5,947.92 : x
  2. Step 2: Convert to fraction form
    15,815.52/23,707.08 = 5,947.92/x
  3. Step 3: Cross multiply
    15,815.52x = 23,707.08 × 5,947.92
  4. Step 4: Simplify right side
    15,815.52x = 141,007,815.27
  5. Step 5: Solve for x
    x = 141,007,815.27/15,815.52
  6. Step 6: Final answer
    x = 8,915.79

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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.