Home / 22,776.67-31,434.55-13,345.23

Finding the Fourth Proportional to 22,776.67, 31,434.55 and 13,345.23

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Solution

The fourth proportional to 22,776.67, 31,434.55 and 13,345.23 is: 18,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.67 : 31,434.55 = 13,345.23 : x
  2. Step 2: Convert to fraction form
    22,776.67/31,434.55 = 13,345.23/x
  3. Step 3: Cross multiply
    22,776.67x = 31,434.55 × 13,345.23
  4. Step 4: Simplify right side
    22,776.67x = 419,501,299.70
  5. Step 5: Solve for x
    x = 419,501,299.70/22,776.67
  6. Step 6: Final answer
    x = 18,418.03

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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.