Home / 22,855.20-31,483.80-19,487.04

Finding the Fourth Proportional to 22,855.20, 31,483.80 and 19,487.04

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Solution

The fourth proportional to 22,855.20, 31,483.80 and 19,487.04 is: 26,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,855.20 : 31,483.80 = 19,487.04 : x
  2. Step 2: Convert to fraction form
    22,855.20/31,483.80 = 19,487.04/x
  3. Step 3: Cross multiply
    22,855.20x = 31,483.80 × 19,487.04
  4. Step 4: Simplify right side
    22,855.20x = 613,526,069.95
  5. Step 5: Solve for x
    x = 613,526,069.95/22,855.20
  6. Step 6: Final answer
    x = 26,844.05

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1.5x scale

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.