Home / 13,298.08-19,954.80-5,398.96

Finding the Fourth Proportional to 13,298.08, 19,954.80 and 5,398.96

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Solution

The fourth proportional to 13,298.08, 19,954.80 and 5,398.96 is: 8,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.08 : 19,954.80 = 5,398.96 : x
  2. Step 2: Convert to fraction form
    13,298.08/19,954.80 = 5,398.96/x
  3. Step 3: Cross multiply
    13,298.08x = 19,954.80 × 5,398.96
  4. Step 4: Simplify right side
    13,298.08x = 107,735,167.01
  5. Step 5: Solve for x
    x = 107,735,167.01/13,298.08
  6. Step 6: Final answer
    x = 8,101.56

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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.