Home / 22,617.60-31,222.98-15,076.50

Finding the Fourth Proportional to 22,617.60, 31,222.98 and 15,076.50

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Solution

The fourth proportional to 22,617.60, 31,222.98 and 15,076.50 is: 20,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.60 : 31,222.98 = 15,076.50 : x
  2. Step 2: Convert to fraction form
    22,617.60/31,222.98 = 15,076.50/x
  3. Step 3: Cross multiply
    22,617.60x = 31,222.98 × 15,076.50
  4. Step 4: Simplify right side
    22,617.60x = 470,733,257.97
  5. Step 5: Solve for x
    x = 470,733,257.97/22,617.60
  6. Step 6: Final answer
    x = 20,812.70

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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.