Home / 19,020.52-28,543.02-10,261.48

Finding the Fourth Proportional to 19,020.52, 28,543.02 and 10,261.48

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Solution

The fourth proportional to 19,020.52, 28,543.02 and 10,261.48 is: 15,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.52 : 28,543.02 = 10,261.48 : x
  2. Step 2: Convert to fraction form
    19,020.52/28,543.02 = 10,261.48/x
  3. Step 3: Cross multiply
    19,020.52x = 28,543.02 × 10,261.48
  4. Step 4: Simplify right side
    19,020.52x = 292,893,628.87
  5. Step 5: Solve for x
    x = 292,893,628.87/19,020.52
  6. Step 6: Final answer
    x = 15,398.82

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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.