Home / 18,058.22-24,919.89-10,100.78

Finding the Fourth Proportional to 18,058.22, 24,919.89 and 10,100.78

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Solution

The fourth proportional to 18,058.22, 24,919.89 and 10,100.78 is: 13,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.22 : 24,919.89 = 10,100.78 : x
  2. Step 2: Convert to fraction form
    18,058.22/24,919.89 = 10,100.78/x
  3. Step 3: Cross multiply
    18,058.22x = 24,919.89 × 10,100.78
  4. Step 4: Simplify right side
    18,058.22x = 251,710,326.51
  5. Step 5: Solve for x
    x = 251,710,326.51/18,058.22
  6. Step 6: Final answer
    x = 13,938.82

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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.