Home / 25,142.14-34,695.98-13,657.06

Finding the Fourth Proportional to 25,142.14, 34,695.98 and 13,657.06

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Solution

The fourth proportional to 25,142.14, 34,695.98 and 13,657.06 is: 18,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.14 : 34,695.98 = 13,657.06 : x
  2. Step 2: Convert to fraction form
    25,142.14/34,695.98 = 13,657.06/x
  3. Step 3: Cross multiply
    25,142.14x = 34,695.98 × 13,657.06
  4. Step 4: Simplify right side
    25,142.14x = 473,845,080.62
  5. Step 5: Solve for x
    x = 473,845,080.62/25,142.14
  6. Step 6: Final answer
    x = 18,846.65

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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.