Home / 19,028.75-26,250.91-12,316.53

Finding the Fourth Proportional to 19,028.75, 26,250.91 and 12,316.53

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Solution

The fourth proportional to 19,028.75, 26,250.91 and 12,316.53 is: 16,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.75 : 26,250.91 = 12,316.53 : x
  2. Step 2: Convert to fraction form
    19,028.75/26,250.91 = 12,316.53/x
  3. Step 3: Cross multiply
    19,028.75x = 26,250.91 × 12,316.53
  4. Step 4: Simplify right side
    19,028.75x = 323,320,149.00
  5. Step 5: Solve for x
    x = 323,320,149.00/19,028.75
  6. Step 6: Final answer
    x = 16,991.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.