Home / 19,901.43-27,462.90-10,947.48

Finding the Fourth Proportional to 19,901.43, 27,462.90 and 10,947.48

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Solution

The fourth proportional to 19,901.43, 27,462.90 and 10,947.48 is: 15,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.43 : 27,462.90 = 10,947.48 : x
  2. Step 2: Convert to fraction form
    19,901.43/27,462.90 = 10,947.48/x
  3. Step 3: Cross multiply
    19,901.43x = 27,462.90 × 10,947.48
  4. Step 4: Simplify right side
    19,901.43x = 300,649,548.49
  5. Step 5: Solve for x
    x = 300,649,548.49/19,901.43
  6. Step 6: Final answer
    x = 15,106.93

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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.