Home / 14,320.55-21,496.53-11,377.91

Finding the Fourth Proportional to 14,320.55, 21,496.53 and 11,377.91

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Solution

The fourth proportional to 14,320.55, 21,496.53 and 11,377.91 is: 17,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.55 : 21,496.53 = 11,377.91 : x
  2. Step 2: Convert to fraction form
    14,320.55/21,496.53 = 11,377.91/x
  3. Step 3: Cross multiply
    14,320.55x = 21,496.53 × 11,377.91
  4. Step 4: Simplify right side
    14,320.55x = 244,585,476.17
  5. Step 5: Solve for x
    x = 244,585,476.17/14,320.55
  6. Step 6: Final answer
    x = 17,079.34

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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.