Home / 14,603.25-21,920.47-6,287.39

Finding the Fourth Proportional to 14,603.25, 21,920.47 and 6,287.39

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Solution

The fourth proportional to 14,603.25, 21,920.47 and 6,287.39 is: 9,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.25 : 21,920.47 = 6,287.39 : x
  2. Step 2: Convert to fraction form
    14,603.25/21,920.47 = 6,287.39/x
  3. Step 3: Cross multiply
    14,603.25x = 21,920.47 × 6,287.39
  4. Step 4: Simplify right side
    14,603.25x = 137,822,543.87
  5. Step 5: Solve for x
    x = 137,822,543.87/14,603.25
  6. Step 6: Final answer
    x = 9,437.80

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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.