Home / 22,493.55-31,028.85-13,535.67

Finding the Fourth Proportional to 22,493.55, 31,028.85 and 13,535.67

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Solution

The fourth proportional to 22,493.55, 31,028.85 and 13,535.67 is: 18,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.55 : 31,028.85 = 13,535.67 : x
  2. Step 2: Convert to fraction form
    22,493.55/31,028.85 = 13,535.67/x
  3. Step 3: Cross multiply
    22,493.55x = 31,028.85 × 13,535.67
  4. Step 4: Simplify right side
    22,493.55x = 419,996,274.08
  5. Step 5: Solve for x
    x = 419,996,274.08/22,493.55
  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.