Home / 33,269.10-45,915.98-19,121.64

Finding the Fourth Proportional to 33,269.10, 45,915.98 and 19,121.64

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Solution

The fourth proportional to 33,269.10, 45,915.98 and 19,121.64 is: 26,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.10 : 45,915.98 = 19,121.64 : x
  2. Step 2: Convert to fraction form
    33,269.10/45,915.98 = 19,121.64/x
  3. Step 3: Cross multiply
    33,269.10x = 45,915.98 × 19,121.64
  4. Step 4: Simplify right side
    33,269.10x = 877,988,744.20
  5. Step 5: Solve for x
    x = 877,988,744.20/33,269.10
  6. Step 6: Final answer
    x = 26,390.52

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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.