Home / 39,482.54-59,221.38-13,185.08

Finding the Fourth Proportional to 39,482.54, 59,221.38 and 13,185.08

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Solution

The fourth proportional to 39,482.54, 59,221.38 and 13,185.08 is: 19,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.54 : 59,221.38 = 13,185.08 : x
  2. Step 2: Convert to fraction form
    39,482.54/59,221.38 = 13,185.08/x
  3. Step 3: Cross multiply
    39,482.54x = 59,221.38 × 13,185.08
  4. Step 4: Simplify right side
    39,482.54x = 780,838,633.01
  5. Step 5: Solve for x
    x = 780,838,633.01/39,482.54
  6. Step 6: Final answer
    x = 19,776.81

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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.