Home / 22,315.10-33,449.30-7,518.90

Finding the Fourth Proportional to 22,315.10, 33,449.30 and 7,518.90

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Solution

The fourth proportional to 22,315.10, 33,449.30 and 7,518.90 is: 11,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.10 : 33,449.30 = 7,518.90 : x
  2. Step 2: Convert to fraction form
    22,315.10/33,449.30 = 7,518.90/x
  3. Step 3: Cross multiply
    22,315.10x = 33,449.30 × 7,518.90
  4. Step 4: Simplify right side
    22,315.10x = 251,501,941.77
  5. Step 5: Solve for x
    x = 251,501,941.77/22,315.10
  6. Step 6: Final answer
    x = 11,270.48

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1.5x scale

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.