Home / 19,121.04-28,649.18-11,710.02

Finding the Fourth Proportional to 19,121.04, 28,649.18 and 11,710.02

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Solution

The fourth proportional to 19,121.04, 28,649.18 and 11,710.02 is: 17,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.04 : 28,649.18 = 11,710.02 : x
  2. Step 2: Convert to fraction form
    19,121.04/28,649.18 = 11,710.02/x
  3. Step 3: Cross multiply
    19,121.04x = 28,649.18 × 11,710.02
  4. Step 4: Simplify right side
    19,121.04x = 335,482,412.23
  5. Step 5: Solve for x
    x = 335,482,412.23/19,121.04
  6. Step 6: Final answer
    x = 17,545.20

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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.