Home / 15,009.29-22,513.95-3,915.97

Finding the Fourth Proportional to 15,009.29, 22,513.95 and 3,915.97

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Solution

The fourth proportional to 15,009.29, 22,513.95 and 3,915.97 is: 5,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.29 : 22,513.95 = 3,915.97 : x
  2. Step 2: Convert to fraction form
    15,009.29/22,513.95 = 3,915.97/x
  3. Step 3: Cross multiply
    15,009.29x = 22,513.95 × 3,915.97
  4. Step 4: Simplify right side
    15,009.29x = 88,163,952.78
  5. Step 5: Solve for x
    x = 88,163,952.78/15,009.29
  6. Step 6: Final answer
    x = 5,873.96

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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.