Home / 18,501.06-25,530.94-10,117.38

Finding the Fourth Proportional to 18,501.06, 25,530.94 and 10,117.38

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Solution

The fourth proportional to 18,501.06, 25,530.94 and 10,117.38 is: 13,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.06 : 25,530.94 = 10,117.38 : x
  2. Step 2: Convert to fraction form
    18,501.06/25,530.94 = 10,117.38/x
  3. Step 3: Cross multiply
    18,501.06x = 25,530.94 × 10,117.38
  4. Step 4: Simplify right side
    18,501.06x = 258,306,221.74
  5. Step 5: Solve for x
    x = 258,306,221.74/18,501.06
  6. Step 6: Final answer
    x = 13,961.70

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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.