Home / 15,146.76-22,720.32-4,758.50

Finding the Fourth Proportional to 15,146.76, 22,720.32 and 4,758.50

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Solution

The fourth proportional to 15,146.76, 22,720.32 and 4,758.50 is: 7,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.76 : 22,720.32 = 4,758.50 : x
  2. Step 2: Convert to fraction form
    15,146.76/22,720.32 = 4,758.50/x
  3. Step 3: Cross multiply
    15,146.76x = 22,720.32 × 4,758.50
  4. Step 4: Simplify right side
    15,146.76x = 108,114,642.72
  5. Step 5: Solve for x
    x = 108,114,642.72/15,146.76
  6. Step 6: Final answer
    x = 7,137.81

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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.