Home / 15,646.32-23,478.72-5,792.52

Finding the Fourth Proportional to 15,646.32, 23,478.72 and 5,792.52

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Solution

The fourth proportional to 15,646.32, 23,478.72 and 5,792.52 is: 8,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.32 : 23,478.72 = 5,792.52 : x
  2. Step 2: Convert to fraction form
    15,646.32/23,478.72 = 5,792.52/x
  3. Step 3: Cross multiply
    15,646.32x = 23,478.72 × 5,792.52
  4. Step 4: Simplify right side
    15,646.32x = 136,000,955.17
  5. Step 5: Solve for x
    x = 136,000,955.17/15,646.32
  6. Step 6: Final answer
    x = 8,692.20

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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.