Home / 13,382.88-20,077.04-4,616.65

Finding the Fourth Proportional to 13,382.88, 20,077.04 and 4,616.65

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Solution

The fourth proportional to 13,382.88, 20,077.04 and 4,616.65 is: 6,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.88 : 20,077.04 = 4,616.65 : x
  2. Step 2: Convert to fraction form
    13,382.88/20,077.04 = 4,616.65/x
  3. Step 3: Cross multiply
    13,382.88x = 20,077.04 × 4,616.65
  4. Step 4: Simplify right side
    13,382.88x = 92,688,666.72
  5. Step 5: Solve for x
    x = 92,688,666.72/13,382.88
  6. Step 6: Final answer
    x = 6,925.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.