Home / 27,018.61-37,286.31-16,947.47

Finding the Fourth Proportional to 27,018.61, 37,286.31 and 16,947.47

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Solution

The fourth proportional to 27,018.61, 37,286.31 and 16,947.47 is: 23,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.61 : 37,286.31 = 16,947.47 : x
  2. Step 2: Convert to fraction form
    27,018.61/37,286.31 = 16,947.47/x
  3. Step 3: Cross multiply
    27,018.61x = 37,286.31 × 16,947.47
  4. Step 4: Simplify right side
    27,018.61x = 631,908,535.40
  5. Step 5: Solve for x
    x = 631,908,535.40/27,018.61
  6. Step 6: Final answer
    x = 23,387.90

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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.