Home / 20,323.18-30,445.31-14,976.65

Finding the Fourth Proportional to 20,323.18, 30,445.31 and 14,976.65

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Solution

The fourth proportional to 20,323.18, 30,445.31 and 14,976.65 is: 22,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.18 : 30,445.31 = 14,976.65 : x
  2. Step 2: Convert to fraction form
    20,323.18/30,445.31 = 14,976.65/x
  3. Step 3: Cross multiply
    20,323.18x = 30,445.31 × 14,976.65
  4. Step 4: Simplify right side
    20,323.18x = 455,968,695.00
  5. Step 5: Solve for x
    x = 455,968,695.00/20,323.18
  6. Step 6: Final answer
    x = 22,435.90

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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.