Home / 21,360.42-32,021.10-9,507.96

Finding the Fourth Proportional to 21,360.42, 32,021.10 and 9,507.96

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Solution

The fourth proportional to 21,360.42, 32,021.10 and 9,507.96 is: 14,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.42 : 32,021.10 = 9,507.96 : x
  2. Step 2: Convert to fraction form
    21,360.42/32,021.10 = 9,507.96/x
  3. Step 3: Cross multiply
    21,360.42x = 32,021.10 × 9,507.96
  4. Step 4: Simplify right side
    21,360.42x = 304,455,337.96
  5. Step 5: Solve for x
    x = 304,455,337.96/21,360.42
  6. Step 6: Final answer
    x = 14,253.25

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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.