Home / 22,698.05-31,326.08-13,748.67

Finding the Fourth Proportional to 22,698.05, 31,326.08 and 13,748.67

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Solution

The fourth proportional to 22,698.05, 31,326.08 and 13,748.67 is: 18,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698.05 : 31,326.08 = 13,748.67 : x
  2. Step 2: Convert to fraction form
    22,698.05/31,326.08 = 13,748.67/x
  3. Step 3: Cross multiply
    22,698.05x = 31,326.08 × 13,748.67
  4. Step 4: Simplify right side
    22,698.05x = 430,691,867.57
  5. Step 5: Solve for x
    x = 430,691,867.57/22,698.05
  6. Step 6: Final answer
    x = 18,974.84

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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.