Home / 22,233.95-30,690.67-13,742.59

Finding the Fourth Proportional to 22,233.95, 30,690.67 and 13,742.59

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Solution

The fourth proportional to 22,233.95, 30,690.67 and 13,742.59 is: 18,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,233.95 : 30,690.67 = 13,742.59 : x
  2. Step 2: Convert to fraction form
    22,233.95/30,690.67 = 13,742.59/x
  3. Step 3: Cross multiply
    22,233.95x = 30,690.67 × 13,742.59
  4. Step 4: Simplify right side
    22,233.95x = 421,769,183.55
  5. Step 5: Solve for x
    x = 421,769,183.55/22,233.95
  6. Step 6: Final answer
    x = 18,969.60

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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.