Home / 18,248.93-25,181.63-13,471.41

Finding the Fourth Proportional to 18,248.93, 25,181.63 and 13,471.41

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Solution

The fourth proportional to 18,248.93, 25,181.63 and 13,471.41 is: 18,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.93 : 25,181.63 = 13,471.41 : x
  2. Step 2: Convert to fraction form
    18,248.93/25,181.63 = 13,471.41/x
  3. Step 3: Cross multiply
    18,248.93x = 25,181.63 × 13,471.41
  4. Step 4: Simplify right side
    18,248.93x = 339,232,062.20
  5. Step 5: Solve for x
    x = 339,232,062.20/18,248.93
  6. Step 6: Final answer
    x = 18,589.15

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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.