Home / 33,280-45,926.40-18,376.96

Finding the Fourth Proportional to 33,280, 45,926.40 and 18,376.96

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Solution

The fourth proportional to 33,280, 45,926.40 and 18,376.96 is: 25,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280 : 45,926.40 = 18,376.96 : x
  2. Step 2: Convert to fraction form
    33,280/45,926.40 = 18,376.96/x
  3. Step 3: Cross multiply
    33,280x = 45,926.40 × 18,376.96
  4. Step 4: Simplify right side
    33,280x = 843,987,615.74
  5. Step 5: Solve for x
    x = 843,987,615.74/33,280
  6. Step 6: Final answer
    x = 25,360.20

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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.