Home / 19,386.22-29,079.33-5,346.36

Finding the Fourth Proportional to 19,386.22, 29,079.33 and 5,346.36

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Solution

The fourth proportional to 19,386.22, 29,079.33 and 5,346.36 is: 8,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.22 : 29,079.33 = 5,346.36 : x
  2. Step 2: Convert to fraction form
    19,386.22/29,079.33 = 5,346.36/x
  3. Step 3: Cross multiply
    19,386.22x = 29,079.33 × 5,346.36
  4. Step 4: Simplify right side
    19,386.22x = 155,468,566.74
  5. Step 5: Solve for x
    x = 155,468,566.74/19,386.22
  6. Step 6: Final answer
    x = 8,019.54

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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.