Home / 22,364.16-30,863.40-12,805.56

Finding the Fourth Proportional to 22,364.16, 30,863.40 and 12,805.56

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Solution

The fourth proportional to 22,364.16, 30,863.40 and 12,805.56 is: 17,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.16 : 30,863.40 = 12,805.56 : x
  2. Step 2: Convert to fraction form
    22,364.16/30,863.40 = 12,805.56/x
  3. Step 3: Cross multiply
    22,364.16x = 30,863.40 × 12,805.56
  4. Step 4: Simplify right side
    22,364.16x = 395,223,120.50
  5. Step 5: Solve for x
    x = 395,223,120.50/22,364.16
  6. Step 6: Final answer
    x = 17,672.16

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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.