Home / 14,555.04-20,080.64-8,263.76

Finding the Fourth Proportional to 14,555.04, 20,080.64 and 8,263.76

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Solution

The fourth proportional to 14,555.04, 20,080.64 and 8,263.76 is: 11,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.04 : 20,080.64 = 8,263.76 : x
  2. Step 2: Convert to fraction form
    14,555.04/20,080.64 = 8,263.76/x
  3. Step 3: Cross multiply
    14,555.04x = 20,080.64 × 8,263.76
  4. Step 4: Simplify right side
    14,555.04x = 165,941,589.61
  5. Step 5: Solve for x
    x = 165,941,589.61/14,555.04
  6. Step 6: Final answer
    x = 11,400.97

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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.