Home / 18,627.74-25,706.59-10,670.66

Finding the Fourth Proportional to 18,627.74, 25,706.59 and 10,670.66

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Solution

The fourth proportional to 18,627.74, 25,706.59 and 10,670.66 is: 14,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.74 : 25,706.59 = 10,670.66 : x
  2. Step 2: Convert to fraction form
    18,627.74/25,706.59 = 10,670.66/x
  3. Step 3: Cross multiply
    18,627.74x = 25,706.59 × 10,670.66
  4. Step 4: Simplify right side
    18,627.74x = 274,306,126.44
  5. Step 5: Solve for x
    x = 274,306,126.44/18,627.74
  6. Step 6: Final answer
    x = 14,725.68

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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.