Home / 19,720.05-29,573.69-6,569.35

Finding the Fourth Proportional to 19,720.05, 29,573.69 and 6,569.35

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Solution

The fourth proportional to 19,720.05, 29,573.69 and 6,569.35 is: 9,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.05 : 29,573.69 = 6,569.35 : x
  2. Step 2: Convert to fraction form
    19,720.05/29,573.69 = 6,569.35/x
  3. Step 3: Cross multiply
    19,720.05x = 29,573.69 × 6,569.35
  4. Step 4: Simplify right side
    19,720.05x = 194,279,862.89
  5. Step 5: Solve for x
    x = 194,279,862.89/19,720.05
  6. Step 6: Final answer
    x = 9,851.90

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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.