Home / 13,148.48-19,722.18-7,301.36

Finding the Fourth Proportional to 13,148.48, 19,722.18 and 7,301.36

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Solution

The fourth proportional to 13,148.48, 19,722.18 and 7,301.36 is: 10,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.48 : 19,722.18 = 7,301.36 : x
  2. Step 2: Convert to fraction form
    13,148.48/19,722.18 = 7,301.36/x
  3. Step 3: Cross multiply
    13,148.48x = 19,722.18 × 7,301.36
  4. Step 4: Simplify right side
    13,148.48x = 143,998,736.16
  5. Step 5: Solve for x
    x = 143,998,736.16/13,148.48
  6. Step 6: Final answer
    x = 10,951.74

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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.