Home / 39,778.08-59,669.75-11,700.64

Finding the Fourth Proportional to 39,778.08, 59,669.75 and 11,700.64

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Solution

The fourth proportional to 39,778.08, 59,669.75 and 11,700.64 is: 17,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.08 : 59,669.75 = 11,700.64 : x
  2. Step 2: Convert to fraction form
    39,778.08/59,669.75 = 11,700.64/x
  3. Step 3: Cross multiply
    39,778.08x = 59,669.75 × 11,700.64
  4. Step 4: Simplify right side
    39,778.08x = 698,174,263.64
  5. Step 5: Solve for x
    x = 698,174,263.64/39,778.08
  6. Step 6: Final answer
    x = 17,551.73

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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.