Home / 33,307.09-45,962.32-18,199.05

Finding the Fourth Proportional to 33,307.09, 45,962.32 and 18,199.05

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Solution

The fourth proportional to 33,307.09, 45,962.32 and 18,199.05 is: 25,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.09 : 45,962.32 = 18,199.05 : x
  2. Step 2: Convert to fraction form
    33,307.09/45,962.32 = 18,199.05/x
  3. Step 3: Cross multiply
    33,307.09x = 45,962.32 × 18,199.05
  4. Step 4: Simplify right side
    33,307.09x = 836,470,559.80
  5. Step 5: Solve for x
    x = 836,470,559.80/33,307.09
  6. Step 6: Final answer
    x = 25,113.89

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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.