Home / 23,815.08-32,849.82-15,431.04

Finding the Fourth Proportional to 23,815.08, 32,849.82 and 15,431.04

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Solution

The fourth proportional to 23,815.08, 32,849.82 and 15,431.04 is: 21,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.08 : 32,849.82 = 15,431.04 : x
  2. Step 2: Convert to fraction form
    23,815.08/32,849.82 = 15,431.04/x
  3. Step 3: Cross multiply
    23,815.08x = 32,849.82 × 15,431.04
  4. Step 4: Simplify right side
    23,815.08x = 506,906,886.41
  5. Step 5: Solve for x
    x = 506,906,886.41/23,815.08
  6. Step 6: Final answer
    x = 21,285.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.