Home / 15,531.80-23,290.52-4,999.88

Finding the Fourth Proportional to 15,531.80, 23,290.52 and 4,999.88

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Solution

The fourth proportional to 15,531.80, 23,290.52 and 4,999.88 is: 7,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.80 : 23,290.52 = 4,999.88 : x
  2. Step 2: Convert to fraction form
    15,531.80/23,290.52 = 4,999.88/x
  3. Step 3: Cross multiply
    15,531.80x = 23,290.52 × 4,999.88
  4. Step 4: Simplify right side
    15,531.80x = 116,449,805.14
  5. Step 5: Solve for x
    x = 116,449,805.14/15,531.80
  6. Step 6: Final answer
    x = 7,497.51

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1.5x scale

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.