Home / 23,116.16-31,932.96-18,394.40

Finding the Fourth Proportional to 23,116.16, 31,932.96 and 18,394.40

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Solution

The fourth proportional to 23,116.16, 31,932.96 and 18,394.40 is: 25,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.16 : 31,932.96 = 18,394.40 : x
  2. Step 2: Convert to fraction form
    23,116.16/31,932.96 = 18,394.40/x
  3. Step 3: Cross multiply
    23,116.16x = 31,932.96 × 18,394.40
  4. Step 4: Simplify right side
    23,116.16x = 587,387,639.42
  5. Step 5: Solve for x
    x = 587,387,639.42/23,116.16
  6. Step 6: Final answer
    x = 25,410.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.