Home / 14,764.20-22,113.90-13,122.60

Finding the Fourth Proportional to 14,764.20, 22,113.90 and 13,122.60

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Solution

The fourth proportional to 14,764.20, 22,113.90 and 13,122.60 is: 19,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.20 : 22,113.90 = 13,122.60 : x
  2. Step 2: Convert to fraction form
    14,764.20/22,113.90 = 13,122.60/x
  3. Step 3: Cross multiply
    14,764.20x = 22,113.90 × 13,122.60
  4. Step 4: Simplify right side
    14,764.20x = 290,191,864.14
  5. Step 5: Solve for x
    x = 290,191,864.14/14,764.20
  6. Step 6: Final answer
    x = 19,655.10

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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.