Home / 19,347.71-26,705.36-11,394.54

Finding the Fourth Proportional to 19,347.71, 26,705.36 and 11,394.54

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Solution

The fourth proportional to 19,347.71, 26,705.36 and 11,394.54 is: 15,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.71 : 26,705.36 = 11,394.54 : x
  2. Step 2: Convert to fraction form
    19,347.71/26,705.36 = 11,394.54/x
  3. Step 3: Cross multiply
    19,347.71x = 26,705.36 × 11,394.54
  4. Step 4: Simplify right side
    19,347.71x = 304,295,235.76
  5. Step 5: Solve for x
    x = 304,295,235.76/19,347.71
  6. Step 6: Final answer
    x = 15,727.72

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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.