Home / 22,645.48-31,252.26-13,087.21

Finding the Fourth Proportional to 22,645.48, 31,252.26 and 13,087.21

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Solution

The fourth proportional to 22,645.48, 31,252.26 and 13,087.21 is: 18,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.48 : 31,252.26 = 13,087.21 : x
  2. Step 2: Convert to fraction form
    22,645.48/31,252.26 = 13,087.21/x
  3. Step 3: Cross multiply
    22,645.48x = 31,252.26 × 13,087.21
  4. Step 4: Simplify right side
    22,645.48x = 409,004,889.59
  5. Step 5: Solve for x
    x = 409,004,889.59/22,645.48
  6. Step 6: Final answer
    x = 18,061.22

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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.