Home / 19,591.16-29,398.40-7,112.16

Finding the Fourth Proportional to 19,591.16, 29,398.40 and 7,112.16

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Solution

The fourth proportional to 19,591.16, 29,398.40 and 7,112.16 is: 10,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.16 : 29,398.40 = 7,112.16 : x
  2. Step 2: Convert to fraction form
    19,591.16/29,398.40 = 7,112.16/x
  3. Step 3: Cross multiply
    19,591.16x = 29,398.40 × 7,112.16
  4. Step 4: Simplify right side
    19,591.16x = 209,086,124.54
  5. Step 5: Solve for x
    x = 209,086,124.54/19,591.16
  6. Step 6: Final answer
    x = 10,672.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.