Home / 18,301.74-25,259.10-11,587.98

Finding the Fourth Proportional to 18,301.74, 25,259.10 and 11,587.98

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Solution

The fourth proportional to 18,301.74, 25,259.10 and 11,587.98 is: 15,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.74 : 25,259.10 = 11,587.98 : x
  2. Step 2: Convert to fraction form
    18,301.74/25,259.10 = 11,587.98/x
  3. Step 3: Cross multiply
    18,301.74x = 25,259.10 × 11,587.98
  4. Step 4: Simplify right side
    18,301.74x = 292,701,945.62
  5. Step 5: Solve for x
    x = 292,701,945.62/18,301.74
  6. Step 6: Final answer
    x = 15,993.12

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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.