Home / 26,135.06-36,066.87-15,382.31

Finding the Fourth Proportional to 26,135.06, 36,066.87 and 15,382.31

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Solution

The fourth proportional to 26,135.06, 36,066.87 and 15,382.31 is: 21,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.06 : 36,066.87 = 15,382.31 : x
  2. Step 2: Convert to fraction form
    26,135.06/36,066.87 = 15,382.31/x
  3. Step 3: Cross multiply
    26,135.06x = 36,066.87 × 15,382.31
  4. Step 4: Simplify right side
    26,135.06x = 554,791,594.74
  5. Step 5: Solve for x
    x = 554,791,594.74/26,135.06
  6. Step 6: Final answer
    x = 21,227.87

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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.