Home / 22,950.78-31,667.24-15,004.68

Finding the Fourth Proportional to 22,950.78, 31,667.24 and 15,004.68

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Solution

The fourth proportional to 22,950.78, 31,667.24 and 15,004.68 is: 20,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.78 : 31,667.24 = 15,004.68 : x
  2. Step 2: Convert to fraction form
    22,950.78/31,667.24 = 15,004.68/x
  3. Step 3: Cross multiply
    22,950.78x = 31,667.24 × 15,004.68
  4. Step 4: Simplify right side
    22,950.78x = 475,156,802.68
  5. Step 5: Solve for x
    x = 475,156,802.68/22,950.78
  6. Step 6: Final answer
    x = 20,703.30

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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.