Home / 29,304.60-40,400.18-18,544.12

Finding the Fourth Proportional to 29,304.60, 40,400.18 and 18,544.12

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Solution

The fourth proportional to 29,304.60, 40,400.18 and 18,544.12 is: 25,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.60 : 40,400.18 = 18,544.12 : x
  2. Step 2: Convert to fraction form
    29,304.60/40,400.18 = 18,544.12/x
  3. Step 3: Cross multiply
    29,304.60x = 40,400.18 × 18,544.12
  4. Step 4: Simplify right side
    29,304.60x = 749,185,785.94
  5. Step 5: Solve for x
    x = 749,185,785.94/29,304.60
  6. Step 6: Final answer
    x = 25,565.47

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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.