Home / 25,549.70-35,248.80-18,851.31

Finding the Fourth Proportional to 25,549.70, 35,248.80 and 18,851.31

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Solution

The fourth proportional to 25,549.70, 35,248.80 and 18,851.31 is: 26,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.70 : 35,248.80 = 18,851.31 : x
  2. Step 2: Convert to fraction form
    25,549.70/35,248.80 = 18,851.31/x
  3. Step 3: Cross multiply
    25,549.70x = 35,248.80 × 18,851.31
  4. Step 4: Simplify right side
    25,549.70x = 664,486,055.93
  5. Step 5: Solve for x
    x = 664,486,055.93/25,549.70
  6. Step 6: Final answer
    x = 26,007.59

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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.