Home / 22,521.60-31,067.53-13,563.67

Finding the Fourth Proportional to 22,521.60, 31,067.53 and 13,563.67

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Solution

The fourth proportional to 22,521.60, 31,067.53 and 13,563.67 is: 18,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.60 : 31,067.53 = 13,563.67 : x
  2. Step 2: Convert to fraction form
    22,521.60/31,067.53 = 13,563.67/x
  3. Step 3: Cross multiply
    22,521.60x = 31,067.53 × 13,563.67
  4. Step 4: Simplify right side
    22,521.60x = 421,389,724.64
  5. Step 5: Solve for x
    x = 421,389,724.64/22,521.60
  6. Step 6: Final answer
    x = 18,710.47

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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.