Home / 23,111.64-34,640.82-10,447.74

Finding the Fourth Proportional to 23,111.64, 34,640.82 and 10,447.74

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Solution

The fourth proportional to 23,111.64, 34,640.82 and 10,447.74 is: 15,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.64 : 34,640.82 = 10,447.74 : x
  2. Step 2: Convert to fraction form
    23,111.64/34,640.82 = 10,447.74/x
  3. Step 3: Cross multiply
    23,111.64x = 34,640.82 × 10,447.74
  4. Step 4: Simplify right side
    23,111.64x = 361,918,280.75
  5. Step 5: Solve for x
    x = 361,918,280.75/23,111.64
  6. Step 6: Final answer
    x = 15,659.57

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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.