Home / 15,961.14-22,039.29-10,298.70

Finding the Fourth Proportional to 15,961.14, 22,039.29 and 10,298.70

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Solution

The fourth proportional to 15,961.14, 22,039.29 and 10,298.70 is: 14,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.14 : 22,039.29 = 10,298.70 : x
  2. Step 2: Convert to fraction form
    15,961.14/22,039.29 = 10,298.70/x
  3. Step 3: Cross multiply
    15,961.14x = 22,039.29 × 10,298.70
  4. Step 4: Simplify right side
    15,961.14x = 226,976,035.92
  5. Step 5: Solve for x
    x = 226,976,035.92/15,961.14
  6. Step 6: Final answer
    x = 14,220.54

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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.