Home / 15,441.32-23,159.10-4,345.28

Finding the Fourth Proportional to 15,441.32, 23,159.10 and 4,345.28

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Solution

The fourth proportional to 15,441.32, 23,159.10 and 4,345.28 is: 6,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.32 : 23,159.10 = 4,345.28 : x
  2. Step 2: Convert to fraction form
    15,441.32/23,159.10 = 4,345.28/x
  3. Step 3: Cross multiply
    15,441.32x = 23,159.10 × 4,345.28
  4. Step 4: Simplify right side
    15,441.32x = 100,632,774.05
  5. Step 5: Solve for x
    x = 100,632,774.05/15,441.32
  6. Step 6: Final answer
    x = 6,517.11

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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.