Home / 22,897.36-31,600.98-12,828.52

Finding the Fourth Proportional to 22,897.36, 31,600.98 and 12,828.52

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Solution

The fourth proportional to 22,897.36, 31,600.98 and 12,828.52 is: 17,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,897.36 : 31,600.98 = 12,828.52 : x
  2. Step 2: Convert to fraction form
    22,897.36/31,600.98 = 12,828.52/x
  3. Step 3: Cross multiply
    22,897.36x = 31,600.98 × 12,828.52
  4. Step 4: Simplify right side
    22,897.36x = 405,393,803.95
  5. Step 5: Solve for x
    x = 405,393,803.95/22,897.36
  6. Step 6: Final answer
    x = 17,704.83

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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.