Home / 63,698.06-95,561.82-18,720.09

Finding the Fourth Proportional to 63,698.06, 95,561.82 and 18,720.09

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Solution

The fourth proportional to 63,698.06, 95,561.82 and 18,720.09 is: 28,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,698.06 : 95,561.82 = 18,720.09 : x
  2. Step 2: Convert to fraction form
    63,698.06/95,561.82 = 18,720.09/x
  3. Step 3: Cross multiply
    63,698.06x = 95,561.82 × 18,720.09
  4. Step 4: Simplify right side
    63,698.06x = 1,788,925,870.96
  5. Step 5: Solve for x
    x = 1,788,925,870.96/63,698.06
  6. Step 6: Final answer
    x = 28,084.46

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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.