Home / 13,944.09-19,242.86-7,570.68

Finding the Fourth Proportional to 13,944.09, 19,242.86 and 7,570.68

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Solution

The fourth proportional to 13,944.09, 19,242.86 and 7,570.68 is: 10,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.09 : 19,242.86 = 7,570.68 : x
  2. Step 2: Convert to fraction form
    13,944.09/19,242.86 = 7,570.68/x
  3. Step 3: Cross multiply
    13,944.09x = 19,242.86 × 7,570.68
  4. Step 4: Simplify right side
    13,944.09x = 145,681,535.34
  5. Step 5: Solve for x
    x = 145,681,535.34/13,944.09
  6. Step 6: Final answer
    x = 10,447.55

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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.