Home / 29,701.20-40,994.32-18,521.04

Finding the Fourth Proportional to 29,701.20, 40,994.32 and 18,521.04

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Solution

The fourth proportional to 29,701.20, 40,994.32 and 18,521.04 is: 25,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,701.20 : 40,994.32 = 18,521.04 : x
  2. Step 2: Convert to fraction form
    29,701.20/40,994.32 = 18,521.04/x
  3. Step 3: Cross multiply
    29,701.20x = 40,994.32 × 18,521.04
  4. Step 4: Simplify right side
    29,701.20x = 759,257,440.49
  5. Step 5: Solve for x
    x = 759,257,440.49/29,701.20
  6. Step 6: Final answer
    x = 25,563.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.