Home / 15,522.32-23,287.32-5,135.12

Finding the Fourth Proportional to 15,522.32, 23,287.32 and 5,135.12

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Solution

The fourth proportional to 15,522.32, 23,287.32 and 5,135.12 is: 7,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.32 : 23,287.32 = 5,135.12 : x
  2. Step 2: Convert to fraction form
    15,522.32/23,287.32 = 5,135.12/x
  3. Step 3: Cross multiply
    15,522.32x = 23,287.32 × 5,135.12
  4. Step 4: Simplify right side
    15,522.32x = 119,583,182.68
  5. Step 5: Solve for x
    x = 119,583,182.68/15,522.32
  6. Step 6: Final answer
    x = 7,703.95

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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.