Home / 25,781.75-35,577.05-14,449.31

Finding the Fourth Proportional to 25,781.75, 35,577.05 and 14,449.31

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Solution

The fourth proportional to 25,781.75, 35,577.05 and 14,449.31 is: 19,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.75 : 35,577.05 = 14,449.31 : x
  2. Step 2: Convert to fraction form
    25,781.75/35,577.05 = 14,449.31/x
  3. Step 3: Cross multiply
    25,781.75x = 35,577.05 × 14,449.31
  4. Step 4: Simplify right side
    25,781.75x = 514,063,574.20
  5. Step 5: Solve for x
    x = 514,063,574.20/25,781.75
  6. Step 6: Final answer
    x = 19,939.05

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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.