Home / 15,113.88-22,680.90-5,762.52

Finding the Fourth Proportional to 15,113.88, 22,680.90 and 5,762.52

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Solution

The fourth proportional to 15,113.88, 22,680.90 and 5,762.52 is: 8,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.88 : 22,680.90 = 5,762.52 : x
  2. Step 2: Convert to fraction form
    15,113.88/22,680.90 = 5,762.52/x
  3. Step 3: Cross multiply
    15,113.88x = 22,680.90 × 5,762.52
  4. Step 4: Simplify right side
    15,113.88x = 130,699,139.87
  5. Step 5: Solve for x
    x = 130,699,139.87/15,113.88
  6. Step 6: Final answer
    x = 8,647.62

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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.