Home / 19,365.72-26,725.28-13,710.56

Finding the Fourth Proportional to 19,365.72, 26,725.28 and 13,710.56

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Solution

The fourth proportional to 19,365.72, 26,725.28 and 13,710.56 is: 18,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.72 : 26,725.28 = 13,710.56 : x
  2. Step 2: Convert to fraction form
    19,365.72/26,725.28 = 13,710.56/x
  3. Step 3: Cross multiply
    19,365.72x = 26,725.28 × 13,710.56
  4. Step 4: Simplify right side
    19,365.72x = 366,418,554.96
  5. Step 5: Solve for x
    x = 366,418,554.96/19,365.72
  6. Step 6: Final answer
    x = 18,920.99

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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.