Home / 17,947.07-26,934.42-12,670.78

Finding the Fourth Proportional to 17,947.07, 26,934.42 and 12,670.78

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Solution

The fourth proportional to 17,947.07, 26,934.42 and 12,670.78 is: 19,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.07 : 26,934.42 = 12,670.78 : x
  2. Step 2: Convert to fraction form
    17,947.07/26,934.42 = 12,670.78/x
  3. Step 3: Cross multiply
    17,947.07x = 26,934.42 × 12,670.78
  4. Step 4: Simplify right side
    17,947.07x = 341,280,140.93
  5. Step 5: Solve for x
    x = 341,280,140.93/17,947.07
  6. Step 6: Final answer
    x = 19,015.93

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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.