Home / 15,733.98-21,712.05-9,018.27

Finding the Fourth Proportional to 15,733.98, 21,712.05 and 9,018.27

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Solution

The fourth proportional to 15,733.98, 21,712.05 and 9,018.27 is: 12,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.98 : 21,712.05 = 9,018.27 : x
  2. Step 2: Convert to fraction form
    15,733.98/21,712.05 = 9,018.27/x
  3. Step 3: Cross multiply
    15,733.98x = 21,712.05 × 9,018.27
  4. Step 4: Simplify right side
    15,733.98x = 195,805,129.15
  5. Step 5: Solve for x
    x = 195,805,129.15/15,733.98
  6. Step 6: Final answer
    x = 12,444.73

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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.