Home / 25,615.92-38,349.15-15,725.22

Finding the Fourth Proportional to 25,615.92, 38,349.15 and 15,725.22

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Solution

The fourth proportional to 25,615.92, 38,349.15 and 15,725.22 is: 23,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.92 : 38,349.15 = 15,725.22 : x
  2. Step 2: Convert to fraction form
    25,615.92/38,349.15 = 15,725.22/x
  3. Step 3: Cross multiply
    25,615.92x = 38,349.15 × 15,725.22
  4. Step 4: Simplify right side
    25,615.92x = 603,048,820.56
  5. Step 5: Solve for x
    x = 603,048,820.56/25,615.92
  6. Step 6: Final answer
    x = 23,541.95

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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.