Home / 27,020.95-37,278.19-18,054.25

Finding the Fourth Proportional to 27,020.95, 37,278.19 and 18,054.25

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Solution

The fourth proportional to 27,020.95, 37,278.19 and 18,054.25 is: 24,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.95 : 37,278.19 = 18,054.25 : x
  2. Step 2: Convert to fraction form
    27,020.95/37,278.19 = 18,054.25/x
  3. Step 3: Cross multiply
    27,020.95x = 37,278.19 × 18,054.25
  4. Step 4: Simplify right side
    27,020.95x = 673,029,691.18
  5. Step 5: Solve for x
    x = 673,029,691.18/27,020.95
  6. Step 6: Final answer
    x = 24,907.70

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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.