Home / 18,254.73-25,191.52-9,871.23

Finding the Fourth Proportional to 18,254.73, 25,191.52 and 9,871.23

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Solution

The fourth proportional to 18,254.73, 25,191.52 and 9,871.23 is: 13,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.73 : 25,191.52 = 9,871.23 : x
  2. Step 2: Convert to fraction form
    18,254.73/25,191.52 = 9,871.23/x
  3. Step 3: Cross multiply
    18,254.73x = 25,191.52 × 9,871.23
  4. Step 4: Simplify right side
    18,254.73x = 248,671,331.80
  5. Step 5: Solve for x
    x = 248,671,331.80/18,254.73
  6. Step 6: Final answer
    x = 13,622.29

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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.