Home / 21,883.65-30,199.56-12,452.22

Finding the Fourth Proportional to 21,883.65, 30,199.56 and 12,452.22

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Solution

The fourth proportional to 21,883.65, 30,199.56 and 12,452.22 is: 17,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.65 : 30,199.56 = 12,452.22 : x
  2. Step 2: Convert to fraction form
    21,883.65/30,199.56 = 12,452.22/x
  3. Step 3: Cross multiply
    21,883.65x = 30,199.56 × 12,452.22
  4. Step 4: Simplify right side
    21,883.65x = 376,051,565.02
  5. Step 5: Solve for x
    x = 376,051,565.02/21,883.65
  6. Step 6: Final answer
    x = 17,184.13

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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.