Home / 33,115.32-45,699.36-18,008.15

Finding the Fourth Proportional to 33,115.32, 45,699.36 and 18,008.15

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Solution

The fourth proportional to 33,115.32, 45,699.36 and 18,008.15 is: 24,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.32 : 45,699.36 = 18,008.15 : x
  2. Step 2: Convert to fraction form
    33,115.32/45,699.36 = 18,008.15/x
  3. Step 3: Cross multiply
    33,115.32x = 45,699.36 × 18,008.15
  4. Step 4: Simplify right side
    33,115.32x = 822,960,633.76
  5. Step 5: Solve for x
    x = 822,960,633.76/33,115.32
  6. Step 6: Final answer
    x = 24,851.36

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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.