Home / 14,470.40-21,707.33-5,108.49

Finding the Fourth Proportional to 14,470.40, 21,707.33 and 5,108.49

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Solution

The fourth proportional to 14,470.40, 21,707.33 and 5,108.49 is: 7,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.40 : 21,707.33 = 5,108.49 : x
  2. Step 2: Convert to fraction form
    14,470.40/21,707.33 = 5,108.49/x
  3. Step 3: Cross multiply
    14,470.40x = 21,707.33 × 5,108.49
  4. Step 4: Simplify right side
    14,470.40x = 110,891,652.69
  5. Step 5: Solve for x
    x = 110,891,652.69/14,470.40
  6. Step 6: Final answer
    x = 7,663.35

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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.