Home / 14,707.53-20,295.20-8,656.83

Finding the Fourth Proportional to 14,707.53, 20,295.20 and 8,656.83

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Solution

The fourth proportional to 14,707.53, 20,295.20 and 8,656.83 is: 11,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.53 : 20,295.20 = 8,656.83 : x
  2. Step 2: Convert to fraction form
    14,707.53/20,295.20 = 8,656.83/x
  3. Step 3: Cross multiply
    14,707.53x = 20,295.20 × 8,656.83
  4. Step 4: Simplify right side
    14,707.53x = 175,692,052.93
  5. Step 5: Solve for x
    x = 175,692,052.93/14,707.53
  6. Step 6: Final answer
    x = 11,945.72

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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.