Home / 14,708.72-20,295.74-8,740.23

Finding the Fourth Proportional to 14,708.72, 20,295.74 and 8,740.23

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Solution

The fourth proportional to 14,708.72, 20,295.74 and 8,740.23 is: 12,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.72 : 20,295.74 = 8,740.23 : x
  2. Step 2: Convert to fraction form
    14,708.72/20,295.74 = 8,740.23/x
  3. Step 3: Cross multiply
    14,708.72x = 20,295.74 × 8,740.23
  4. Step 4: Simplify right side
    14,708.72x = 177,389,391.92
  5. Step 5: Solve for x
    x = 177,389,391.92/14,708.72
  6. Step 6: Final answer
    x = 12,060.16

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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.