Home / 15,140.32-22,709.04-4,750.24

Finding the Fourth Proportional to 15,140.32, 22,709.04 and 4,750.24

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Solution

The fourth proportional to 15,140.32, 22,709.04 and 4,750.24 is: 7,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.32 : 22,709.04 = 4,750.24 : x
  2. Step 2: Convert to fraction form
    15,140.32/22,709.04 = 4,750.24/x
  3. Step 3: Cross multiply
    15,140.32x = 22,709.04 × 4,750.24
  4. Step 4: Simplify right side
    15,140.32x = 107,873,390.17
  5. Step 5: Solve for x
    x = 107,873,390.17/15,140.32
  6. Step 6: Final answer
    x = 7,124.91

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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.