Home / 33,074.40-45,641.88-18,926.34

Finding the Fourth Proportional to 33,074.40, 45,641.88 and 18,926.34

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Solution

The fourth proportional to 33,074.40, 45,641.88 and 18,926.34 is: 26,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,074.40 : 45,641.88 = 18,926.34 : x
  2. Step 2: Convert to fraction form
    33,074.40/45,641.88 = 18,926.34/x
  3. Step 3: Cross multiply
    33,074.40x = 45,641.88 × 18,926.34
  4. Step 4: Simplify right side
    33,074.40x = 863,833,739.12
  5. Step 5: Solve for x
    x = 863,833,739.12/33,074.40
  6. Step 6: Final answer
    x = 26,117.90

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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.