Home / 22,814.55-31,484.79-13,253.67

Finding the Fourth Proportional to 22,814.55, 31,484.79 and 13,253.67

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Solution

The fourth proportional to 22,814.55, 31,484.79 and 13,253.67 is: 18,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.55 : 31,484.79 = 13,253.67 : x
  2. Step 2: Convert to fraction form
    22,814.55/31,484.79 = 13,253.67/x
  3. Step 3: Cross multiply
    22,814.55x = 31,484.79 × 13,253.67
  4. Step 4: Simplify right side
    22,814.55x = 417,289,016.68
  5. Step 5: Solve for x
    x = 417,289,016.68/22,814.55
  6. Step 6: Final answer
    x = 18,290.48

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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.