Home / 19,874.52-27,426.75-10,922.40

Finding the Fourth Proportional to 19,874.52, 27,426.75 and 10,922.40

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Solution

The fourth proportional to 19,874.52, 27,426.75 and 10,922.40 is: 15,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.52 : 27,426.75 = 10,922.40 : x
  2. Step 2: Convert to fraction form
    19,874.52/27,426.75 = 10,922.40/x
  3. Step 3: Cross multiply
    19,874.52x = 27,426.75 × 10,922.40
  4. Step 4: Simplify right side
    19,874.52x = 299,565,934.20
  5. Step 5: Solve for x
    x = 299,565,934.20/19,874.52
  6. Step 6: Final answer
    x = 15,072.86

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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.