Home / 22,332.72-30,820.44-13,386.56

Finding the Fourth Proportional to 22,332.72, 30,820.44 and 13,386.56

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Solution

The fourth proportional to 22,332.72, 30,820.44 and 13,386.56 is: 18,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.72 : 30,820.44 = 13,386.56 : x
  2. Step 2: Convert to fraction form
    22,332.72/30,820.44 = 13,386.56/x
  3. Step 3: Cross multiply
    22,332.72x = 30,820.44 × 13,386.56
  4. Step 4: Simplify right side
    22,332.72x = 412,579,669.29
  5. Step 5: Solve for x
    x = 412,579,669.29/22,332.72
  6. Step 6: Final answer
    x = 18,474.22

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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.