Home / 22,765.03-31,415.75-12,693.24

Finding the Fourth Proportional to 22,765.03, 31,415.75 and 12,693.24

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Solution

The fourth proportional to 22,765.03, 31,415.75 and 12,693.24 is: 17,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.03 : 31,415.75 = 12,693.24 : x
  2. Step 2: Convert to fraction form
    22,765.03/31,415.75 = 12,693.24/x
  3. Step 3: Cross multiply
    22,765.03x = 31,415.75 × 12,693.24
  4. Step 4: Simplify right side
    22,765.03x = 398,767,768.97
  5. Step 5: Solve for x
    x = 398,767,768.97/22,765.03
  6. Step 6: Final answer
    x = 17,516.68

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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.