Home / 13,591.48-18,756.44-7,926.07

Finding the Fourth Proportional to 13,591.48, 18,756.44 and 7,926.07

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Solution

The fourth proportional to 13,591.48, 18,756.44 and 7,926.07 is: 10,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.48 : 18,756.44 = 7,926.07 : x
  2. Step 2: Convert to fraction form
    13,591.48/18,756.44 = 7,926.07/x
  3. Step 3: Cross multiply
    13,591.48x = 18,756.44 × 7,926.07
  4. Step 4: Simplify right side
    13,591.48x = 148,664,856.39
  5. Step 5: Solve for x
    x = 148,664,856.39/13,591.48
  6. Step 6: Final answer
    x = 10,938.09

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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.