Home / 22,698.34-31,321.30-12,625.16

Finding the Fourth Proportional to 22,698.34, 31,321.30 and 12,625.16

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Solution

The fourth proportional to 22,698.34, 31,321.30 and 12,625.16 is: 17,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698.34 : 31,321.30 = 12,625.16 : x
  2. Step 2: Convert to fraction form
    22,698.34/31,321.30 = 12,625.16/x
  3. Step 3: Cross multiply
    22,698.34x = 31,321.30 × 12,625.16
  4. Step 4: Simplify right side
    22,698.34x = 395,436,423.91
  5. Step 5: Solve for x
    x = 395,436,423.91/22,698.34
  6. Step 6: Final answer
    x = 17,421.38

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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.