Home / 32,836.56-45,314.68-18,690.28

Finding the Fourth Proportional to 32,836.56, 45,314.68 and 18,690.28

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Solution

The fourth proportional to 32,836.56, 45,314.68 and 18,690.28 is: 25,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,836.56 : 45,314.68 = 18,690.28 : x
  2. Step 2: Convert to fraction form
    32,836.56/45,314.68 = 18,690.28/x
  3. Step 3: Cross multiply
    32,836.56x = 45,314.68 × 18,690.28
  4. Step 4: Simplify right side
    32,836.56x = 846,944,057.31
  5. Step 5: Solve for x
    x = 846,944,057.31/32,836.56
  6. Step 6: Final answer
    x = 25,792.72

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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.