Home / 14,700.56-20,285.78-8,732.66

Finding the Fourth Proportional to 14,700.56, 20,285.78 and 8,732.66

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Solution

The fourth proportional to 14,700.56, 20,285.78 and 8,732.66 is: 12,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.56 : 20,285.78 = 8,732.66 : x
  2. Step 2: Convert to fraction form
    14,700.56/20,285.78 = 8,732.66/x
  3. Step 3: Cross multiply
    14,700.56x = 20,285.78 × 8,732.66
  4. Step 4: Simplify right side
    14,700.56x = 177,148,674.48
  5. Step 5: Solve for x
    x = 177,148,674.48/14,700.56
  6. Step 6: Final answer
    x = 12,050.48

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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.