Home / 20,630.40-30,923.52-9,524.16

Finding the Fourth Proportional to 20,630.40, 30,923.52 and 9,524.16

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Solution

The fourth proportional to 20,630.40, 30,923.52 and 9,524.16 is: 14,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630.40 : 30,923.52 = 9,524.16 : x
  2. Step 2: Convert to fraction form
    20,630.40/30,923.52 = 9,524.16/x
  3. Step 3: Cross multiply
    20,630.40x = 30,923.52 × 9,524.16
  4. Step 4: Simplify right side
    20,630.40x = 294,520,552.24
  5. Step 5: Solve for x
    x = 294,520,552.24/20,630.40
  6. Step 6: Final answer
    x = 14,276.05

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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.