Home / 25,949.42-38,781.95-18,944.18

Finding the Fourth Proportional to 25,949.42, 38,781.95 and 18,944.18

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Solution

The fourth proportional to 25,949.42, 38,781.95 and 18,944.18 is: 28,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.42 : 38,781.95 = 18,944.18 : x
  2. Step 2: Convert to fraction form
    25,949.42/38,781.95 = 18,944.18/x
  3. Step 3: Cross multiply
    25,949.42x = 38,781.95 × 18,944.18
  4. Step 4: Simplify right side
    25,949.42x = 734,692,098.35
  5. Step 5: Solve for x
    x = 734,692,098.35/25,949.42
  6. Step 6: Final answer
    x = 28,312.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.