Home / 26,083.40-35,981.19-15,877.53

Finding the Fourth Proportional to 26,083.40, 35,981.19 and 15,877.53

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Solution

The fourth proportional to 26,083.40, 35,981.19 and 15,877.53 is: 21,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,083.40 : 35,981.19 = 15,877.53 : x
  2. Step 2: Convert to fraction form
    26,083.40/35,981.19 = 15,877.53/x
  3. Step 3: Cross multiply
    26,083.40x = 35,981.19 × 15,877.53
  4. Step 4: Simplify right side
    26,083.40x = 571,292,423.66
  5. Step 5: Solve for x
    x = 571,292,423.66/26,083.40
  6. Step 6: Final answer
    x = 21,902.53

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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.