Home / 39,222.05-58,832.55-9,640.15

Finding the Fourth Proportional to 39,222.05, 58,832.55 and 9,640.15

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Solution

The fourth proportional to 39,222.05, 58,832.55 and 9,640.15 is: 14,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.05 : 58,832.55 = 9,640.15 : x
  2. Step 2: Convert to fraction form
    39,222.05/58,832.55 = 9,640.15/x
  3. Step 3: Cross multiply
    39,222.05x = 58,832.55 × 9,640.15
  4. Step 4: Simplify right side
    39,222.05x = 567,154,459.80
  5. Step 5: Solve for x
    x = 567,154,459.80/39,222.05
  6. Step 6: Final answer
    x = 14,460.09

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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.