Home / 15,555.12-23,275.24-9,319.53

Finding the Fourth Proportional to 15,555.12, 23,275.24 and 9,319.53

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Solution

The fourth proportional to 15,555.12, 23,275.24 and 9,319.53 is: 13,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.12 : 23,275.24 = 9,319.53 : x
  2. Step 2: Convert to fraction form
    15,555.12/23,275.24 = 9,319.53/x
  3. Step 3: Cross multiply
    15,555.12x = 23,275.24 × 9,319.53
  4. Step 4: Simplify right side
    15,555.12x = 216,914,297.44
  5. Step 5: Solve for x
    x = 216,914,297.44/15,555.12
  6. Step 6: Final answer
    x = 13,944.88

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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.