Home / 22,307.27-30,786.60-13,354.77

Finding the Fourth Proportional to 22,307.27, 30,786.60 and 13,354.77

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Solution

The fourth proportional to 22,307.27, 30,786.60 and 13,354.77 is: 18,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.27 : 30,786.60 = 13,354.77 : x
  2. Step 2: Convert to fraction form
    22,307.27/30,786.60 = 13,354.77/x
  3. Step 3: Cross multiply
    22,307.27x = 30,786.60 × 13,354.77
  4. Step 4: Simplify right side
    22,307.27x = 411,147,896.71
  5. Step 5: Solve for x
    x = 411,147,896.71/22,307.27
  6. Step 6: Final answer
    x = 18,431.12

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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.