Home / 21,585.88-32,343.16-9,873.28

Finding the Fourth Proportional to 21,585.88, 32,343.16 and 9,873.28

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Solution

The fourth proportional to 21,585.88, 32,343.16 and 9,873.28 is: 14,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.88 : 32,343.16 = 9,873.28 : x
  2. Step 2: Convert to fraction form
    21,585.88/32,343.16 = 9,873.28/x
  3. Step 3: Cross multiply
    21,585.88x = 32,343.16 × 9,873.28
  4. Step 4: Simplify right side
    21,585.88x = 319,333,074.76
  5. Step 5: Solve for x
    x = 319,333,074.76/21,585.88
  6. Step 6: Final answer
    x = 14,793.61

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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.