Home / 22,526.75-31,089.18-12,455.96

Finding the Fourth Proportional to 22,526.75, 31,089.18 and 12,455.96

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Solution

The fourth proportional to 22,526.75, 31,089.18 and 12,455.96 is: 17,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,526.75 : 31,089.18 = 12,455.96 : x
  2. Step 2: Convert to fraction form
    22,526.75/31,089.18 = 12,455.96/x
  3. Step 3: Cross multiply
    22,526.75x = 31,089.18 × 12,455.96
  4. Step 4: Simplify right side
    22,526.75x = 387,245,473.78
  5. Step 5: Solve for x
    x = 387,245,473.78/22,526.75
  6. Step 6: Final answer
    x = 17,190.47

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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.