Home / 19,353.80-26,713.50-11,398.64

Finding the Fourth Proportional to 19,353.80, 26,713.50 and 11,398.64

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Solution

The fourth proportional to 19,353.80, 26,713.50 and 11,398.64 is: 15,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.80 : 26,713.50 = 11,398.64 : x
  2. Step 2: Convert to fraction form
    19,353.80/26,713.50 = 11,398.64/x
  3. Step 3: Cross multiply
    19,353.80x = 26,713.50 × 11,398.64
  4. Step 4: Simplify right side
    19,353.80x = 304,497,569.64
  5. Step 5: Solve for x
    x = 304,497,569.64/19,353.80
  6. Step 6: Final answer
    x = 15,733.22

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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.