Home / 29,196.16-40,290.88-16,620.16

Finding the Fourth Proportional to 29,196.16, 40,290.88 and 16,620.16

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Solution

The fourth proportional to 29,196.16, 40,290.88 and 16,620.16 is: 22,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.16 : 40,290.88 = 16,620.16 : x
  2. Step 2: Convert to fraction form
    29,196.16/40,290.88 = 16,620.16/x
  3. Step 3: Cross multiply
    29,196.16x = 40,290.88 × 16,620.16
  4. Step 4: Simplify right side
    29,196.16x = 669,640,872.14
  5. Step 5: Solve for x
    x = 669,640,872.14/29,196.16
  6. Step 6: Final answer
    x = 22,935.92

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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.