Home / 22,623.76-31,220.79-12,552.31

Finding the Fourth Proportional to 22,623.76, 31,220.79 and 12,552.31

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Solution

The fourth proportional to 22,623.76, 31,220.79 and 12,552.31 is: 17,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.76 : 31,220.79 = 12,552.31 : x
  2. Step 2: Convert to fraction form
    22,623.76/31,220.79 = 12,552.31/x
  3. Step 3: Cross multiply
    22,623.76x = 31,220.79 × 12,552.31
  4. Step 4: Simplify right side
    22,623.76x = 391,893,034.52
  5. Step 5: Solve for x
    x = 391,893,034.52/22,623.76
  6. Step 6: Final answer
    x = 17,322.19

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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.