Home / 19,326.18-26,723.81-15,340.37

Finding the Fourth Proportional to 19,326.18, 26,723.81 and 15,340.37

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Solution

The fourth proportional to 19,326.18, 26,723.81 and 15,340.37 is: 21,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.18 : 26,723.81 = 15,340.37 : x
  2. Step 2: Convert to fraction form
    19,326.18/26,723.81 = 15,340.37/x
  3. Step 3: Cross multiply
    19,326.18x = 26,723.81 × 15,340.37
  4. Step 4: Simplify right side
    19,326.18x = 409,953,238.37
  5. Step 5: Solve for x
    x = 409,953,238.37/19,326.18
  6. Step 6: Final answer
    x = 21,212.33

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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.