Home / 22,525.88-31,085.56-12,454.28

Finding the Fourth Proportional to 22,525.88, 31,085.56 and 12,454.28

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Solution

The fourth proportional to 22,525.88, 31,085.56 and 12,454.28 is: 17,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,525.88 : 31,085.56 = 12,454.28 : x
  2. Step 2: Convert to fraction form
    22,525.88/31,085.56 = 12,454.28/x
  3. Step 3: Cross multiply
    22,525.88x = 31,085.56 × 12,454.28
  4. Step 4: Simplify right side
    22,525.88x = 387,148,268.20
  5. Step 5: Solve for x
    x = 387,148,268.20/22,525.88
  6. Step 6: Final answer
    x = 17,186.82

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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.