Home / 19,357.90-26,713.12-11,400.46

Finding the Fourth Proportional to 19,357.90, 26,713.12 and 11,400.46

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Solution

The fourth proportional to 19,357.90, 26,713.12 and 11,400.46 is: 15,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.90 : 26,713.12 = 11,400.46 : x
  2. Step 2: Convert to fraction form
    19,357.90/26,713.12 = 11,400.46/x
  3. Step 3: Cross multiply
    19,357.90x = 26,713.12 × 11,400.46
  4. Step 4: Simplify right side
    19,357.90x = 304,541,856.04
  5. Step 5: Solve for x
    x = 304,541,856.04/19,357.90
  6. Step 6: Final answer
    x = 15,732.17

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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.