Home / 23,421.84-32,320.53-13,350.03

Finding the Fourth Proportional to 23,421.84, 32,320.53 and 13,350.03

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Solution

The fourth proportional to 23,421.84, 32,320.53 and 13,350.03 is: 18,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.84 : 32,320.53 = 13,350.03 : x
  2. Step 2: Convert to fraction form
    23,421.84/32,320.53 = 13,350.03/x
  3. Step 3: Cross multiply
    23,421.84x = 32,320.53 × 13,350.03
  4. Step 4: Simplify right side
    23,421.84x = 431,480,045.12
  5. Step 5: Solve for x
    x = 431,480,045.12/23,421.84
  6. Step 6: Final answer
    x = 18,422.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.