Home / 57,715.90-86,573.85-18,276.10

Finding the Fourth Proportional to 57,715.90, 86,573.85 and 18,276.10

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Solution

The fourth proportional to 57,715.90, 86,573.85 and 18,276.10 is: 27,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,715.90 : 86,573.85 = 18,276.10 : x
  2. Step 2: Convert to fraction form
    57,715.90/86,573.85 = 18,276.10/x
  3. Step 3: Cross multiply
    57,715.90x = 86,573.85 × 18,276.10
  4. Step 4: Simplify right side
    57,715.90x = 1,582,232,339.99
  5. Step 5: Solve for x
    x = 1,582,232,339.99/57,715.90
  6. Step 6: Final answer
    x = 27,414.15

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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.