Home / 19,820.10-29,730.14-5,029.02

Finding the Fourth Proportional to 19,820.10, 29,730.14 and 5,029.02

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Solution

The fourth proportional to 19,820.10, 29,730.14 and 5,029.02 is: 7,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.10 : 29,730.14 = 5,029.02 : x
  2. Step 2: Convert to fraction form
    19,820.10/29,730.14 = 5,029.02/x
  3. Step 3: Cross multiply
    19,820.10x = 29,730.14 × 5,029.02
  4. Step 4: Simplify right side
    19,820.10x = 149,513,468.66
  5. Step 5: Solve for x
    x = 149,513,468.66/19,820.10
  6. Step 6: Final answer
    x = 7,543.53

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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.