Home / 20,392.22-30,604.73-10,534.32

Finding the Fourth Proportional to 20,392.22, 30,604.73 and 10,534.32

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Solution

The fourth proportional to 20,392.22, 30,604.73 and 10,534.32 is: 15,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.22 : 30,604.73 = 10,534.32 : x
  2. Step 2: Convert to fraction form
    20,392.22/30,604.73 = 10,534.32/x
  3. Step 3: Cross multiply
    20,392.22x = 30,604.73 × 10,534.32
  4. Step 4: Simplify right side
    20,392.22x = 322,399,966.66
  5. Step 5: Solve for x
    x = 322,399,966.66/20,392.22
  6. Step 6: Final answer
    x = 15,809.95

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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.