Home / 25,738.90-35,517.09-14,407.66

Finding the Fourth Proportional to 25,738.90, 35,517.09 and 14,407.66

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Solution

The fourth proportional to 25,738.90, 35,517.09 and 14,407.66 is: 19,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.90 : 35,517.09 = 14,407.66 : x
  2. Step 2: Convert to fraction form
    25,738.90/35,517.09 = 14,407.66/x
  3. Step 3: Cross multiply
    25,738.90x = 35,517.09 × 14,407.66
  4. Step 4: Simplify right side
    25,738.90x = 511,718,156.91
  5. Step 5: Solve for x
    x = 511,718,156.91/25,738.90
  6. Step 6: Final answer
    x = 19,881.12

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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.