Home / 22,900.24-31,570.92-15,814.48

Finding the Fourth Proportional to 22,900.24, 31,570.92 and 15,814.48

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Solution

The fourth proportional to 22,900.24, 31,570.92 and 15,814.48 is: 21,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.24 : 31,570.92 = 15,814.48 : x
  2. Step 2: Convert to fraction form
    22,900.24/31,570.92 = 15,814.48/x
  3. Step 3: Cross multiply
    22,900.24x = 31,570.92 × 15,814.48
  4. Step 4: Simplify right side
    22,900.24x = 499,277,682.92
  5. Step 5: Solve for x
    x = 499,277,682.92/22,900.24
  6. Step 6: Final answer
    x = 21,802.29

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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.