Home / 22,695.50-31,320.06-12,624.68

Finding the Fourth Proportional to 22,695.50, 31,320.06 and 12,624.68

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Solution

The fourth proportional to 22,695.50, 31,320.06 and 12,624.68 is: 17,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.50 : 31,320.06 = 12,624.68 : x
  2. Step 2: Convert to fraction form
    22,695.50/31,320.06 = 12,624.68/x
  3. Step 3: Cross multiply
    22,695.50x = 31,320.06 × 12,624.68
  4. Step 4: Simplify right side
    22,695.50x = 395,405,735.08
  5. Step 5: Solve for x
    x = 395,405,735.08/22,695.50
  6. Step 6: Final answer
    x = 17,422.21

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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.