Home / 15,845.40-23,751.90-9,268.20

Finding the Fourth Proportional to 15,845.40, 23,751.90 and 9,268.20

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Solution

The fourth proportional to 15,845.40, 23,751.90 and 9,268.20 is: 13,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.40 : 23,751.90 = 9,268.20 : x
  2. Step 2: Convert to fraction form
    15,845.40/23,751.90 = 9,268.20/x
  3. Step 3: Cross multiply
    15,845.40x = 23,751.90 × 9,268.20
  4. Step 4: Simplify right side
    15,845.40x = 220,137,359.58
  5. Step 5: Solve for x
    x = 220,137,359.58/15,845.40
  6. Step 6: Final answer
    x = 13,892.82

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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.