Home / 14,470.08-21,705.14-13,731.36

Finding the Fourth Proportional to 14,470.08, 21,705.14 and 13,731.36

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Solution

The fourth proportional to 14,470.08, 21,705.14 and 13,731.36 is: 20,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.08 : 21,705.14 = 13,731.36 : x
  2. Step 2: Convert to fraction form
    14,470.08/21,705.14 = 13,731.36/x
  3. Step 3: Cross multiply
    14,470.08x = 21,705.14 × 13,731.36
  4. Step 4: Simplify right side
    14,470.08x = 298,041,091.19
  5. Step 5: Solve for x
    x = 298,041,091.19/14,470.08
  6. Step 6: Final answer
    x = 20,597.06

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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.