Home / 19,656.42-29,480.12-5,616.16

Finding the Fourth Proportional to 19,656.42, 29,480.12 and 5,616.16

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Solution

The fourth proportional to 19,656.42, 29,480.12 and 5,616.16 is: 8,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.42 : 29,480.12 = 5,616.16 : x
  2. Step 2: Convert to fraction form
    19,656.42/29,480.12 = 5,616.16/x
  3. Step 3: Cross multiply
    19,656.42x = 29,480.12 × 5,616.16
  4. Step 4: Simplify right side
    19,656.42x = 165,565,070.74
  5. Step 5: Solve for x
    x = 165,565,070.74/19,656.42
  6. Step 6: Final answer
    x = 8,422.95

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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.