Home / 15,498.18-21,351.33-10,774.26

Finding the Fourth Proportional to 15,498.18, 21,351.33 and 10,774.26

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Solution

The fourth proportional to 15,498.18, 21,351.33 and 10,774.26 is: 14,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.18 : 21,351.33 = 10,774.26 : x
  2. Step 2: Convert to fraction form
    15,498.18/21,351.33 = 10,774.26/x
  3. Step 3: Cross multiply
    15,498.18x = 21,351.33 × 10,774.26
  4. Step 4: Simplify right side
    15,498.18x = 230,044,780.77
  5. Step 5: Solve for x
    x = 230,044,780.77/15,498.18
  6. Step 6: Final answer
    x = 14,843.34

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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.