Home / 13,148.15-19,730.03-5,254.39

Finding the Fourth Proportional to 13,148.15, 19,730.03 and 5,254.39

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Solution

The fourth proportional to 13,148.15, 19,730.03 and 5,254.39 is: 7,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.15 : 19,730.03 = 5,254.39 : x
  2. Step 2: Convert to fraction form
    13,148.15/19,730.03 = 5,254.39/x
  3. Step 3: Cross multiply
    13,148.15x = 19,730.03 × 5,254.39
  4. Step 4: Simplify right side
    13,148.15x = 103,669,270.72
  5. Step 5: Solve for x
    x = 103,669,270.72/13,148.15
  6. Step 6: Final answer
    x = 7,884.71

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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.