Home / 26,129.71-36,058.40-14,192.78

Finding the Fourth Proportional to 26,129.71, 36,058.40 and 14,192.78

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Solution

The fourth proportional to 26,129.71, 36,058.40 and 14,192.78 is: 19,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.71 : 36,058.40 = 14,192.78 : x
  2. Step 2: Convert to fraction form
    26,129.71/36,058.40 = 14,192.78/x
  3. Step 3: Cross multiply
    26,129.71x = 36,058.40 × 14,192.78
  4. Step 4: Simplify right side
    26,129.71x = 511,768,867.39
  5. Step 5: Solve for x
    x = 511,768,867.39/26,129.71
  6. Step 6: Final answer
    x = 19,585.71

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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.