Home / 14,708.80-20,297.76-8,740.48

Finding the Fourth Proportional to 14,708.80, 20,297.76 and 8,740.48

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Solution

The fourth proportional to 14,708.80, 20,297.76 and 8,740.48 is: 12,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.80 : 20,297.76 = 8,740.48 : x
  2. Step 2: Convert to fraction form
    14,708.80/20,297.76 = 8,740.48/x
  3. Step 3: Cross multiply
    14,708.80x = 20,297.76 × 8,740.48
  4. Step 4: Simplify right side
    14,708.80x = 177,412,165.32
  5. Step 5: Solve for x
    x = 177,412,165.32/14,708.80
  6. Step 6: Final answer
    x = 12,061.63

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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.