Home / 18,087.55-24,961.67-10,917.31

Finding the Fourth Proportional to 18,087.55, 24,961.67 and 10,917.31

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Solution

The fourth proportional to 18,087.55, 24,961.67 and 10,917.31 is: 15,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.55 : 24,961.67 = 10,917.31 : x
  2. Step 2: Convert to fraction form
    18,087.55/24,961.67 = 10,917.31/x
  3. Step 3: Cross multiply
    18,087.55x = 24,961.67 × 10,917.31
  4. Step 4: Simplify right side
    18,087.55x = 272,514,254.40
  5. Step 5: Solve for x
    x = 272,514,254.40/18,087.55
  6. Step 6: Final answer
    x = 15,066.40

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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.