Home / 22,765.06-31,415.07-13,335.10

Finding the Fourth Proportional to 22,765.06, 31,415.07 and 13,335.10

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Solution

The fourth proportional to 22,765.06, 31,415.07 and 13,335.10 is: 18,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.06 : 31,415.07 = 13,335.10 : x
  2. Step 2: Convert to fraction form
    22,765.06/31,415.07 = 13,335.10/x
  3. Step 3: Cross multiply
    22,765.06x = 31,415.07 × 13,335.10
  4. Step 4: Simplify right side
    22,765.06x = 418,923,099.96
  5. Step 5: Solve for x
    x = 418,923,099.96/22,765.06
  6. Step 6: Final answer
    x = 18,402.02

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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.