Home / 23,170.74-31,975.47-12,560.28

Finding the Fourth Proportional to 23,170.74, 31,975.47 and 12,560.28

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Solution

The fourth proportional to 23,170.74, 31,975.47 and 12,560.28 is: 17,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.74 : 31,975.47 = 12,560.28 : x
  2. Step 2: Convert to fraction form
    23,170.74/31,975.47 = 12,560.28/x
  3. Step 3: Cross multiply
    23,170.74x = 31,975.47 × 12,560.28
  4. Step 4: Simplify right side
    23,170.74x = 401,620,856.33
  5. Step 5: Solve for x
    x = 401,620,856.33/23,170.74
  6. Step 6: Final answer
    x = 17,333.10

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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.