Home / 22,493.57-31,028.87-13,535.67

Finding the Fourth Proportional to 22,493.57, 31,028.87 and 13,535.67

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Solution

The fourth proportional to 22,493.57, 31,028.87 and 13,535.67 is: 18,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.57 : 31,028.87 = 13,535.67 : x
  2. Step 2: Convert to fraction form
    22,493.57/31,028.87 = 13,535.67/x
  3. Step 3: Cross multiply
    22,493.57x = 31,028.87 × 13,535.67
  4. Step 4: Simplify right side
    22,493.57x = 419,996,477.11
  5. Step 5: Solve for x
    x = 419,996,477.11/22,493.57
  6. Step 6: Final answer
    x = 18,671.85

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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.