Home / 21,516.96-32,275.56-9,822

Finding the Fourth Proportional to 21,516.96, 32,275.56 and 9,822

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Solution

The fourth proportional to 21,516.96, 32,275.56 and 9,822 is: 14,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.96 : 32,275.56 = 9,822 : x
  2. Step 2: Convert to fraction form
    21,516.96/32,275.56 = 9,822/x
  3. Step 3: Cross multiply
    21,516.96x = 32,275.56 × 9,822
  4. Step 4: Simplify right side
    21,516.96x = 317,010,550.32
  5. Step 5: Solve for x
    x = 317,010,550.32/21,516.96
  6. Step 6: Final answer
    x = 14,733.05

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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.