Home / 22,695.49-31,319.22-12,623.95

Finding the Fourth Proportional to 22,695.49, 31,319.22 and 12,623.95

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Solution

The fourth proportional to 22,695.49, 31,319.22 and 12,623.95 is: 17,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.49 : 31,319.22 = 12,623.95 : x
  2. Step 2: Convert to fraction form
    22,695.49/31,319.22 = 12,623.95/x
  3. Step 3: Cross multiply
    22,695.49x = 31,319.22 × 12,623.95
  4. Step 4: Simplify right side
    22,695.49x = 395,372,267.32
  5. Step 5: Solve for x
    x = 395,372,267.32/22,695.49
  6. Step 6: Final answer
    x = 17,420.74

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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.