Home / 25,099.28-34,643.76-15,662.24

Finding the Fourth Proportional to 25,099.28, 34,643.76 and 15,662.24

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Solution

The fourth proportional to 25,099.28, 34,643.76 and 15,662.24 is: 21,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.28 : 34,643.76 = 15,662.24 : x
  2. Step 2: Convert to fraction form
    25,099.28/34,643.76 = 15,662.24/x
  3. Step 3: Cross multiply
    25,099.28x = 34,643.76 × 15,662.24
  4. Step 4: Simplify right side
    25,099.28x = 542,598,883.62
  5. Step 5: Solve for x
    x = 542,598,883.62/25,099.28
  6. Step 6: Final answer
    x = 21,618.11

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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.