Home / 22,697.71-31,325.60-13,744.98

Finding the Fourth Proportional to 22,697.71, 31,325.60 and 13,744.98

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Solution

The fourth proportional to 22,697.71, 31,325.60 and 13,744.98 is: 18,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697.71 : 31,325.60 = 13,744.98 : x
  2. Step 2: Convert to fraction form
    22,697.71/31,325.60 = 13,744.98/x
  3. Step 3: Cross multiply
    22,697.71x = 31,325.60 × 13,744.98
  4. Step 4: Simplify right side
    22,697.71x = 430,569,745.49
  5. Step 5: Solve for x
    x = 430,569,745.49/22,697.71
  6. Step 6: Final answer
    x = 18,969.74

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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.