Home / 22,237.66-30,507.05-21,656.62

Finding the Fourth Proportional to 22,237.66, 30,507.05 and 21,656.62

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Solution

The fourth proportional to 22,237.66, 30,507.05 and 21,656.62 is: 29,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.66 : 30,507.05 = 21,656.62 : x
  2. Step 2: Convert to fraction form
    22,237.66/30,507.05 = 21,656.62/x
  3. Step 3: Cross multiply
    22,237.66x = 30,507.05 × 21,656.62
  4. Step 4: Simplify right side
    22,237.66x = 660,679,589.17
  5. Step 5: Solve for x
    x = 660,679,589.17/22,237.66
  6. Step 6: Final answer
    x = 29,709.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.