Home / 33,272.08-45,915.48-18,368.08

Finding the Fourth Proportional to 33,272.08, 45,915.48 and 18,368.08

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Solution

The fourth proportional to 33,272.08, 45,915.48 and 18,368.08 is: 25,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.08 : 45,915.48 = 18,368.08 : x
  2. Step 2: Convert to fraction form
    33,272.08/45,915.48 = 18,368.08/x
  3. Step 3: Cross multiply
    33,272.08x = 45,915.48 × 18,368.08
  4. Step 4: Simplify right side
    33,272.08x = 843,379,209.88
  5. Step 5: Solve for x
    x = 843,379,209.88/33,272.08
  6. Step 6: Final answer
    x = 25,347.96

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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.