Home / 28,196.88-42,292.92-11,552.16

Finding the Fourth Proportional to 28,196.88, 42,292.92 and 11,552.16

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Solution

The fourth proportional to 28,196.88, 42,292.92 and 11,552.16 is: 17,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.88 : 42,292.92 = 11,552.16 : x
  2. Step 2: Convert to fraction form
    28,196.88/42,292.92 = 11,552.16/x
  3. Step 3: Cross multiply
    28,196.88x = 42,292.92 × 11,552.16
  4. Step 4: Simplify right side
    28,196.88x = 488,574,578.71
  5. Step 5: Solve for x
    x = 488,574,578.71/28,196.88
  6. Step 6: Final answer
    x = 17,327.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.