Home / 23,165.40-34,755.30-9,127.20

Finding the Fourth Proportional to 23,165.40, 34,755.30 and 9,127.20

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Solution

The fourth proportional to 23,165.40, 34,755.30 and 9,127.20 is: 13,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.40 : 34,755.30 = 9,127.20 : x
  2. Step 2: Convert to fraction form
    23,165.40/34,755.30 = 9,127.20/x
  3. Step 3: Cross multiply
    23,165.40x = 34,755.30 × 9,127.20
  4. Step 4: Simplify right side
    23,165.40x = 317,218,574.16
  5. Step 5: Solve for x
    x = 317,218,574.16/23,165.40
  6. Step 6: Final answer
    x = 13,693.64

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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.