Home / 25,601.74-35,331.15-14,990.38

Finding the Fourth Proportional to 25,601.74, 35,331.15 and 14,990.38

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Solution

The fourth proportional to 25,601.74, 35,331.15 and 14,990.38 is: 20,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.74 : 35,331.15 = 14,990.38 : x
  2. Step 2: Convert to fraction form
    25,601.74/35,331.15 = 14,990.38/x
  3. Step 3: Cross multiply
    25,601.74x = 35,331.15 × 14,990.38
  4. Step 4: Simplify right side
    25,601.74x = 529,627,364.34
  5. Step 5: Solve for x
    x = 529,627,364.34/25,601.74
  6. Step 6: Final answer
    x = 20,687.16

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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.