Home / 13,877.44-19,150.86-7,589.81

Finding the Fourth Proportional to 13,877.44, 19,150.86 and 7,589.81

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Solution

The fourth proportional to 13,877.44, 19,150.86 and 7,589.81 is: 10,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.44 : 19,150.86 = 7,589.81 : x
  2. Step 2: Convert to fraction form
    13,877.44/19,150.86 = 7,589.81/x
  3. Step 3: Cross multiply
    13,877.44x = 19,150.86 × 7,589.81
  4. Step 4: Simplify right side
    13,877.44x = 145,351,465.08
  5. Step 5: Solve for x
    x = 145,351,465.08/13,877.44
  6. Step 6: Final answer
    x = 10,473.94

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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.