Home / 45,065.57-67,593.18-11,788.84

Finding the Fourth Proportional to 45,065.57, 67,593.18 and 11,788.84

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Solution

The fourth proportional to 45,065.57, 67,593.18 and 11,788.84 is: 17,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,065.57 : 67,593.18 = 11,788.84 : x
  2. Step 2: Convert to fraction form
    45,065.57/67,593.18 = 11,788.84/x
  3. Step 3: Cross multiply
    45,065.57x = 67,593.18 × 11,788.84
  4. Step 4: Simplify right side
    45,065.57x = 796,845,312.81
  5. Step 5: Solve for x
    x = 796,845,312.81/45,065.57
  6. Step 6: Final answer
    x = 17,681.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.