Home / 21,352.44-29,464.60-12,397.08

Finding the Fourth Proportional to 21,352.44, 29,464.60 and 12,397.08

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Solution

The fourth proportional to 21,352.44, 29,464.60 and 12,397.08 is: 17,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.44 : 29,464.60 = 12,397.08 : x
  2. Step 2: Convert to fraction form
    21,352.44/29,464.60 = 12,397.08/x
  3. Step 3: Cross multiply
    21,352.44x = 29,464.60 × 12,397.08
  4. Step 4: Simplify right side
    21,352.44x = 365,275,003.37
  5. Step 5: Solve for x
    x = 365,275,003.37/21,352.44
  6. Step 6: Final answer
    x = 17,106.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.