Home / 32,820.20-45,284.56-19,382.28

Finding the Fourth Proportional to 32,820.20, 45,284.56 and 19,382.28

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Solution

The fourth proportional to 32,820.20, 45,284.56 and 19,382.28 is: 26,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.20 : 45,284.56 = 19,382.28 : x
  2. Step 2: Convert to fraction form
    32,820.20/45,284.56 = 19,382.28/x
  3. Step 3: Cross multiply
    32,820.20x = 45,284.56 × 19,382.28
  4. Step 4: Simplify right side
    32,820.20x = 877,718,021.60
  5. Step 5: Solve for x
    x = 877,718,021.60/32,820.20
  6. Step 6: Final answer
    x = 26,743.23

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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.