Home / 13,398.31-20,097.52-5,601.66

Finding the Fourth Proportional to 13,398.31, 20,097.52 and 5,601.66

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Solution

The fourth proportional to 13,398.31, 20,097.52 and 5,601.66 is: 8,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.31 : 20,097.52 = 5,601.66 : x
  2. Step 2: Convert to fraction form
    13,398.31/20,097.52 = 5,601.66/x
  3. Step 3: Cross multiply
    13,398.31x = 20,097.52 × 5,601.66
  4. Step 4: Simplify right side
    13,398.31x = 112,579,384.51
  5. Step 5: Solve for x
    x = 112,579,384.51/13,398.31
  6. Step 6: Final answer
    x = 8,402.51

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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.