Home / 15,700.61-23,558.99-8,679.32

Finding the Fourth Proportional to 15,700.61, 23,558.99 and 8,679.32

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Solution

The fourth proportional to 15,700.61, 23,558.99 and 8,679.32 is: 13,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700.61 : 23,558.99 = 8,679.32 : x
  2. Step 2: Convert to fraction form
    15,700.61/23,558.99 = 8,679.32/x
  3. Step 3: Cross multiply
    15,700.61x = 23,558.99 × 8,679.32
  4. Step 4: Simplify right side
    15,700.61x = 204,475,851.90
  5. Step 5: Solve for x
    x = 204,475,851.90/15,700.61
  6. Step 6: Final answer
    x = 13,023.44

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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.