Home / 26,619.03-39,890.88-14,778.05

Finding the Fourth Proportional to 26,619.03, 39,890.88 and 14,778.05

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Solution

The fourth proportional to 26,619.03, 39,890.88 and 14,778.05 is: 22,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.03 : 39,890.88 = 14,778.05 : x
  2. Step 2: Convert to fraction form
    26,619.03/39,890.88 = 14,778.05/x
  3. Step 3: Cross multiply
    26,619.03x = 39,890.88 × 14,778.05
  4. Step 4: Simplify right side
    26,619.03x = 589,509,219.73
  5. Step 5: Solve for x
    x = 589,509,219.73/26,619.03
  6. Step 6: Final answer
    x = 22,146.16

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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.