Home / 14,505.40-21,724.62-14,264.56

Finding the Fourth Proportional to 14,505.40, 21,724.62 and 14,264.56

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Solution

The fourth proportional to 14,505.40, 21,724.62 and 14,264.56 is: 21,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.40 : 21,724.62 = 14,264.56 : x
  2. Step 2: Convert to fraction form
    14,505.40/21,724.62 = 14,264.56/x
  3. Step 3: Cross multiply
    14,505.40x = 21,724.62 × 14,264.56
  4. Step 4: Simplify right side
    14,505.40x = 309,892,145.47
  5. Step 5: Solve for x
    x = 309,892,145.47/14,505.40
  6. Step 6: Final answer
    x = 21,363.92

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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.