Home / 14,710.74-20,297.75-8,740.23

Finding the Fourth Proportional to 14,710.74, 20,297.75 and 8,740.23

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Solution

The fourth proportional to 14,710.74, 20,297.75 and 8,740.23 is: 12,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.74 : 20,297.75 = 8,740.23 : x
  2. Step 2: Convert to fraction form
    14,710.74/20,297.75 = 8,740.23/x
  3. Step 3: Cross multiply
    14,710.74x = 20,297.75 × 8,740.23
  4. Step 4: Simplify right side
    14,710.74x = 177,407,003.48
  5. Step 5: Solve for x
    x = 177,407,003.48/14,710.74
  6. Step 6: Final answer
    x = 12,059.69

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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.