Home / 13,225.37-19,837.85-5,327.70

Finding the Fourth Proportional to 13,225.37, 19,837.85 and 5,327.70

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Solution

The fourth proportional to 13,225.37, 19,837.85 and 5,327.70 is: 7,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.37 : 19,837.85 = 5,327.70 : x
  2. Step 2: Convert to fraction form
    13,225.37/19,837.85 = 5,327.70/x
  3. Step 3: Cross multiply
    13,225.37x = 19,837.85 × 5,327.70
  4. Step 4: Simplify right side
    13,225.37x = 105,690,086.81
  5. Step 5: Solve for x
    x = 105,690,086.81/13,225.37
  6. Step 6: Final answer
    x = 7,991.47

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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.