Home / 19,899.17-27,462.12-10,947.65

Finding the Fourth Proportional to 19,899.17, 27,462.12 and 10,947.65

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Solution

The fourth proportional to 19,899.17, 27,462.12 and 10,947.65 is: 15,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.17 : 27,462.12 = 10,947.65 : x
  2. Step 2: Convert to fraction form
    19,899.17/27,462.12 = 10,947.65/x
  3. Step 3: Cross multiply
    19,899.17x = 27,462.12 × 10,947.65
  4. Step 4: Simplify right side
    19,899.17x = 300,645,678.02
  5. Step 5: Solve for x
    x = 300,645,678.02/19,899.17
  6. Step 6: Final answer
    x = 15,108.46

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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.