Home / 25,117.80-34,575.58-21,713.24

Finding the Fourth Proportional to 25,117.80, 34,575.58 and 21,713.24

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Solution

The fourth proportional to 25,117.80, 34,575.58 and 21,713.24 is: 29,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.80 : 34,575.58 = 21,713.24 : x
  2. Step 2: Convert to fraction form
    25,117.80/34,575.58 = 21,713.24/x
  3. Step 3: Cross multiply
    25,117.80x = 34,575.58 × 21,713.24
  4. Step 4: Simplify right side
    25,117.80x = 750,747,866.68
  5. Step 5: Solve for x
    x = 750,747,866.68/25,117.80
  6. Step 6: Final answer
    x = 29,889.08

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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.