Home / 15,144.71-22,720.65-4,756.46

Finding the Fourth Proportional to 15,144.71, 22,720.65 and 4,756.46

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Solution

The fourth proportional to 15,144.71, 22,720.65 and 4,756.46 is: 7,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.71 : 22,720.65 = 4,756.46 : x
  2. Step 2: Convert to fraction form
    15,144.71/22,720.65 = 4,756.46/x
  3. Step 3: Cross multiply
    15,144.71x = 22,720.65 × 4,756.46
  4. Step 4: Simplify right side
    15,144.71x = 108,069,758.21
  5. Step 5: Solve for x
    x = 108,069,758.21/15,144.71
  6. Step 6: Final answer
    x = 7,135.81

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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.