Home / 21,559.16-32,355.50-9,873.04

Finding the Fourth Proportional to 21,559.16, 32,355.50 and 9,873.04

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Solution

The fourth proportional to 21,559.16, 32,355.50 and 9,873.04 is: 14,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.16 : 32,355.50 = 9,873.04 : x
  2. Step 2: Convert to fraction form
    21,559.16/32,355.50 = 9,873.04/x
  3. Step 3: Cross multiply
    21,559.16x = 32,355.50 × 9,873.04
  4. Step 4: Simplify right side
    21,559.16x = 319,447,145.72
  5. Step 5: Solve for x
    x = 319,447,145.72/21,559.16
  6. Step 6: Final answer
    x = 14,817.24

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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.