Home / 14,700.77-20,288.80-8,732.46

Finding the Fourth Proportional to 14,700.77, 20,288.80 and 8,732.46

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Solution

The fourth proportional to 14,700.77, 20,288.80 and 8,732.46 is: 12,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.77 : 20,288.80 = 8,732.46 : x
  2. Step 2: Convert to fraction form
    14,700.77/20,288.80 = 8,732.46/x
  3. Step 3: Cross multiply
    14,700.77x = 20,288.80 × 8,732.46
  4. Step 4: Simplify right side
    14,700.77x = 177,171,207.00
  5. Step 5: Solve for x
    x = 177,171,207.00/14,700.77
  6. Step 6: Final answer
    x = 12,051.83

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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.