Home / 13,334.96-19,988.76-5,013.44

Finding the Fourth Proportional to 13,334.96, 19,988.76 and 5,013.44

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Solution

The fourth proportional to 13,334.96, 19,988.76 and 5,013.44 is: 7,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.96 : 19,988.76 = 5,013.44 : x
  2. Step 2: Convert to fraction form
    13,334.96/19,988.76 = 5,013.44/x
  3. Step 3: Cross multiply
    13,334.96x = 19,988.76 × 5,013.44
  4. Step 4: Simplify right side
    13,334.96x = 100,212,448.93
  5. Step 5: Solve for x
    x = 100,212,448.93/13,334.96
  6. Step 6: Final answer
    x = 7,515.02

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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.