Home / 19,335.03-28,945.13-10,543.29

Finding the Fourth Proportional to 19,335.03, 28,945.13 and 10,543.29

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Solution

The fourth proportional to 19,335.03, 28,945.13 and 10,543.29 is: 15,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.03 : 28,945.13 = 10,543.29 : x
  2. Step 2: Convert to fraction form
    19,335.03/28,945.13 = 10,543.29/x
  3. Step 3: Cross multiply
    19,335.03x = 28,945.13 × 10,543.29
  4. Step 4: Simplify right side
    19,335.03x = 305,176,923.61
  5. Step 5: Solve for x
    x = 305,176,923.61/19,335.03
  6. Step 6: Final answer
    x = 15,783.63

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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.