Home / 19,282.64-26,612.91-12,209.72

Finding the Fourth Proportional to 19,282.64, 26,612.91 and 12,209.72

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Solution

The fourth proportional to 19,282.64, 26,612.91 and 12,209.72 is: 16,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.64 : 26,612.91 = 12,209.72 : x
  2. Step 2: Convert to fraction form
    19,282.64/26,612.91 = 12,209.72/x
  3. Step 3: Cross multiply
    19,282.64x = 26,612.91 × 12,209.72
  4. Step 4: Simplify right side
    19,282.64x = 324,936,046.42
  5. Step 5: Solve for x
    x = 324,936,046.42/19,282.64
  6. Step 6: Final answer
    x = 16,851.23

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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.