Home / 32,753.19-45,206.69-20,814.20

Finding the Fourth Proportional to 32,753.19, 45,206.69 and 20,814.20

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Solution

The fourth proportional to 32,753.19, 45,206.69 and 20,814.20 is: 28,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,753.19 : 45,206.69 = 20,814.20 : x
  2. Step 2: Convert to fraction form
    32,753.19/45,206.69 = 20,814.20/x
  3. Step 3: Cross multiply
    32,753.19x = 45,206.69 × 20,814.20
  4. Step 4: Simplify right side
    32,753.19x = 940,940,860.96
  5. Step 5: Solve for x
    x = 940,940,860.96/32,753.19
  6. Step 6: Final answer
    x = 28,728.22

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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.