Home / 63,678.09-95,517.40-19,305.23

Finding the Fourth Proportional to 63,678.09, 95,517.40 and 19,305.23

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Solution

The fourth proportional to 63,678.09, 95,517.40 and 19,305.23 is: 28,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,678.09 : 95,517.40 = 19,305.23 : x
  2. Step 2: Convert to fraction form
    63,678.09/95,517.40 = 19,305.23/x
  3. Step 3: Cross multiply
    63,678.09x = 95,517.40 × 19,305.23
  4. Step 4: Simplify right side
    63,678.09x = 1,843,985,288.60
  5. Step 5: Solve for x
    x = 1,843,985,288.60/63,678.09
  6. Step 6: Final answer
    x = 28,957.92

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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.