Home / 20,184.30-30,276.63-7,036.65

Finding the Fourth Proportional to 20,184.30, 30,276.63 and 7,036.65

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Solution

The fourth proportional to 20,184.30, 30,276.63 and 7,036.65 is: 10,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.30 : 30,276.63 = 7,036.65 : x
  2. Step 2: Convert to fraction form
    20,184.30/30,276.63 = 7,036.65/x
  3. Step 3: Cross multiply
    20,184.30x = 30,276.63 × 7,036.65
  4. Step 4: Simplify right side
    20,184.30x = 213,046,048.49
  5. Step 5: Solve for x
    x = 213,046,048.49/20,184.30
  6. Step 6: Final answer
    x = 10,555.04

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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.