Home / 22,625.76-31,223.54-13,192.50

Finding the Fourth Proportional to 22,625.76, 31,223.54 and 13,192.50

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Solution

The fourth proportional to 22,625.76, 31,223.54 and 13,192.50 is: 18,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.76 : 31,223.54 = 13,192.50 : x
  2. Step 2: Convert to fraction form
    22,625.76/31,223.54 = 13,192.50/x
  3. Step 3: Cross multiply
    22,625.76x = 31,223.54 × 13,192.50
  4. Step 4: Simplify right side
    22,625.76x = 411,916,551.45
  5. Step 5: Solve for x
    x = 411,916,551.45/22,625.76
  6. Step 6: Final answer
    x = 18,205.64

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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.