Home / 19,238.12-28,856.87-15,944.25

Finding the Fourth Proportional to 19,238.12, 28,856.87 and 15,944.25

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Solution

The fourth proportional to 19,238.12, 28,856.87 and 15,944.25 is: 23,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.12 : 28,856.87 = 15,944.25 : x
  2. Step 2: Convert to fraction form
    19,238.12/28,856.87 = 15,944.25/x
  3. Step 3: Cross multiply
    19,238.12x = 28,856.87 × 15,944.25
  4. Step 4: Simplify right side
    19,238.12x = 460,101,237.78
  5. Step 5: Solve for x
    x = 460,101,237.78/19,238.12
  6. Step 6: Final answer
    x = 23,916.12

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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.