Home / 18,159.72-25,058.82-11,445.48

Finding the Fourth Proportional to 18,159.72, 25,058.82 and 11,445.48

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Solution

The fourth proportional to 18,159.72, 25,058.82 and 11,445.48 is: 15,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.72 : 25,058.82 = 11,445.48 : x
  2. Step 2: Convert to fraction form
    18,159.72/25,058.82 = 11,445.48/x
  3. Step 3: Cross multiply
    18,159.72x = 25,058.82 × 11,445.48
  4. Step 4: Simplify right side
    18,159.72x = 286,810,223.13
  5. Step 5: Solve for x
    x = 286,810,223.13/18,159.72
  6. Step 6: Final answer
    x = 15,793.76

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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.