Home / 19,164.44-28,779.36-10,416.44

Finding the Fourth Proportional to 19,164.44, 28,779.36 and 10,416.44

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Solution

The fourth proportional to 19,164.44, 28,779.36 and 10,416.44 is: 15,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.44 : 28,779.36 = 10,416.44 : x
  2. Step 2: Convert to fraction form
    19,164.44/28,779.36 = 10,416.44/x
  3. Step 3: Cross multiply
    19,164.44x = 28,779.36 × 10,416.44
  4. Step 4: Simplify right side
    19,164.44x = 299,778,476.68
  5. Step 5: Solve for x
    x = 299,778,476.68/19,164.44
  6. Step 6: Final answer
    x = 15,642.43

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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.