Home / 25,981.27-35,854.48-15,769.35

Finding the Fourth Proportional to 25,981.27, 35,854.48 and 15,769.35

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Solution

The fourth proportional to 25,981.27, 35,854.48 and 15,769.35 is: 21,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.27 : 35,854.48 = 15,769.35 : x
  2. Step 2: Convert to fraction form
    25,981.27/35,854.48 = 15,769.35/x
  3. Step 3: Cross multiply
    25,981.27x = 35,854.48 × 15,769.35
  4. Step 4: Simplify right side
    25,981.27x = 565,401,821.53
  5. Step 5: Solve for x
    x = 565,401,821.53/25,981.27
  6. Step 6: Final answer
    x = 21,761.90

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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.