Home / 22,626.90-31,114.40-19,637.55

Finding the Fourth Proportional to 22,626.90, 31,114.40 and 19,637.55

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Solution

The fourth proportional to 22,626.90, 31,114.40 and 19,637.55 is: 27,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,626.90 : 31,114.40 = 19,637.55 : x
  2. Step 2: Convert to fraction form
    22,626.90/31,114.40 = 19,637.55/x
  3. Step 3: Cross multiply
    22,626.90x = 31,114.40 × 19,637.55
  4. Step 4: Simplify right side
    22,626.90x = 611,010,487.53
  5. Step 5: Solve for x
    x = 611,010,487.53/22,626.90
  6. Step 6: Final answer
    x = 27,003.72

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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.