Home / 14,979.76-22,355.72-13,319.06

Finding the Fourth Proportional to 14,979.76, 22,355.72 and 13,319.06

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Solution

The fourth proportional to 14,979.76, 22,355.72 and 13,319.06 is: 19,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.76 : 22,355.72 = 13,319.06 : x
  2. Step 2: Convert to fraction form
    14,979.76/22,355.72 = 13,319.06/x
  3. Step 3: Cross multiply
    14,979.76x = 22,355.72 × 13,319.06
  4. Step 4: Simplify right side
    14,979.76x = 297,756,997.65
  5. Step 5: Solve for x
    x = 297,756,997.65/14,979.76
  6. Step 6: Final answer
    x = 19,877.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.