Home / 25,417.68-38,091.45-18,341.31

Finding the Fourth Proportional to 25,417.68, 38,091.45 and 18,341.31

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Solution

The fourth proportional to 25,417.68, 38,091.45 and 18,341.31 is: 27,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.68 : 38,091.45 = 18,341.31 : x
  2. Step 2: Convert to fraction form
    25,417.68/38,091.45 = 18,341.31/x
  3. Step 3: Cross multiply
    25,417.68x = 38,091.45 × 18,341.31
  4. Step 4: Simplify right side
    25,417.68x = 698,647,092.80
  5. Step 5: Solve for x
    x = 698,647,092.80/25,417.68
  6. Step 6: Final answer
    x = 27,486.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.