Home / 14,605.15-21,908.51-4,743.70

Finding the Fourth Proportional to 14,605.15, 21,908.51 and 4,743.70

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Solution

The fourth proportional to 14,605.15, 21,908.51 and 4,743.70 is: 7,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.15 : 21,908.51 = 4,743.70 : x
  2. Step 2: Convert to fraction form
    14,605.15/21,908.51 = 4,743.70/x
  3. Step 3: Cross multiply
    14,605.15x = 21,908.51 × 4,743.70
  4. Step 4: Simplify right side
    14,605.15x = 103,927,398.89
  5. Step 5: Solve for x
    x = 103,927,398.89/14,605.15
  6. Step 6: Final answer
    x = 7,115.80

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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.