Home / 18,248.68-25,181.29-13,471.16

Finding the Fourth Proportional to 18,248.68, 25,181.29 and 13,471.16

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Solution

The fourth proportional to 18,248.68, 25,181.29 and 13,471.16 is: 18,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.68 : 25,181.29 = 13,471.16 : x
  2. Step 2: Convert to fraction form
    18,248.68/25,181.29 = 13,471.16/x
  3. Step 3: Cross multiply
    18,248.68x = 25,181.29 × 13,471.16
  4. Step 4: Simplify right side
    18,248.68x = 339,221,186.60
  5. Step 5: Solve for x
    x = 339,221,186.60/18,248.68
  6. Step 6: Final answer
    x = 18,588.81

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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.