Home / 22,694.10-31,314.05-12,621.23

Finding the Fourth Proportional to 22,694.10, 31,314.05 and 12,621.23

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Solution

The fourth proportional to 22,694.10, 31,314.05 and 12,621.23 is: 17,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.10 : 31,314.05 = 12,621.23 : x
  2. Step 2: Convert to fraction form
    22,694.10/31,314.05 = 12,621.23/x
  3. Step 3: Cross multiply
    22,694.10x = 31,314.05 × 12,621.23
  4. Step 4: Simplify right side
    22,694.10x = 395,221,607.61
  5. Step 5: Solve for x
    x = 395,221,607.61/22,694.10
  6. Step 6: Final answer
    x = 17,415.17

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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.