Home / 21,624.62-32,390.04-10,507.98

Finding the Fourth Proportional to 21,624.62, 32,390.04 and 10,507.98

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Solution

The fourth proportional to 21,624.62, 32,390.04 and 10,507.98 is: 15,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.62 : 32,390.04 = 10,507.98 : x
  2. Step 2: Convert to fraction form
    21,624.62/32,390.04 = 10,507.98/x
  3. Step 3: Cross multiply
    21,624.62x = 32,390.04 × 10,507.98
  4. Step 4: Simplify right side
    21,624.62x = 340,353,892.52
  5. Step 5: Solve for x
    x = 340,353,892.52/21,624.62
  6. Step 6: Final answer
    x = 15,739.19

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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.