Home / 15,639.32-23,464.76-7,322.04

Finding the Fourth Proportional to 15,639.32, 23,464.76 and 7,322.04

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Solution

The fourth proportional to 15,639.32, 23,464.76 and 7,322.04 is: 10,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.32 : 23,464.76 = 7,322.04 : x
  2. Step 2: Convert to fraction form
    15,639.32/23,464.76 = 7,322.04/x
  3. Step 3: Cross multiply
    15,639.32x = 23,464.76 × 7,322.04
  4. Step 4: Simplify right side
    15,639.32x = 171,809,874.70
  5. Step 5: Solve for x
    x = 171,809,874.70/15,639.32
  6. Step 6: Final answer
    x = 10,985.76

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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.