Home / 19,720.86-29,574.90-6,569.70

Finding the Fourth Proportional to 19,720.86, 29,574.90 and 6,569.70

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Solution

The fourth proportional to 19,720.86, 29,574.90 and 6,569.70 is: 9,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.86 : 29,574.90 = 6,569.70 : x
  2. Step 2: Convert to fraction form
    19,720.86/29,574.90 = 6,569.70/x
  3. Step 3: Cross multiply
    19,720.86x = 29,574.90 × 6,569.70
  4. Step 4: Simplify right side
    19,720.86x = 194,298,220.53
  5. Step 5: Solve for x
    x = 194,298,220.53/19,720.86
  6. Step 6: Final answer
    x = 9,852.42

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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.