Home / 13,944.25-19,243.22-7,570.90

Finding the Fourth Proportional to 13,944.25, 19,243.22 and 7,570.90

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Solution

The fourth proportional to 13,944.25, 19,243.22 and 7,570.90 is: 10,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.25 : 19,243.22 = 7,570.90 : x
  2. Step 2: Convert to fraction form
    13,944.25/19,243.22 = 7,570.90/x
  3. Step 3: Cross multiply
    13,944.25x = 19,243.22 × 7,570.90
  4. Step 4: Simplify right side
    13,944.25x = 145,688,494.30
  5. Step 5: Solve for x
    x = 145,688,494.30/13,944.25
  6. Step 6: Final answer
    x = 10,447.93

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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.