Home / 15,915.92-23,870.16-6,553.52

Finding the Fourth Proportional to 15,915.92, 23,870.16 and 6,553.52

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Solution

The fourth proportional to 15,915.92, 23,870.16 and 6,553.52 is: 9,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.92 : 23,870.16 = 6,553.52 : x
  2. Step 2: Convert to fraction form
    15,915.92/23,870.16 = 6,553.52/x
  3. Step 3: Cross multiply
    15,915.92x = 23,870.16 × 6,553.52
  4. Step 4: Simplify right side
    15,915.92x = 156,433,570.96
  5. Step 5: Solve for x
    x = 156,433,570.96/15,915.92
  6. Step 6: Final answer
    x = 9,828.75

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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.