Home / 20,366.10-30,538.08-6,322.32

Finding the Fourth Proportional to 20,366.10, 30,538.08 and 6,322.32

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Solution

The fourth proportional to 20,366.10, 30,538.08 and 6,322.32 is: 9,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.10 : 30,538.08 = 6,322.32 : x
  2. Step 2: Convert to fraction form
    20,366.10/30,538.08 = 6,322.32/x
  3. Step 3: Cross multiply
    20,366.10x = 30,538.08 × 6,322.32
  4. Step 4: Simplify right side
    20,366.10x = 193,071,513.95
  5. Step 5: Solve for x
    x = 193,071,513.95/20,366.10
  6. Step 6: Final answer
    x = 9,480.04

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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.