Home / 23,172.24-34,590.54-20,369.76

Finding the Fourth Proportional to 23,172.24, 34,590.54 and 20,369.76

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Solution

The fourth proportional to 23,172.24, 34,590.54 and 20,369.76 is: 30,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.24 : 34,590.54 = 20,369.76 : x
  2. Step 2: Convert to fraction form
    23,172.24/34,590.54 = 20,369.76/x
  3. Step 3: Cross multiply
    23,172.24x = 34,590.54 × 20,369.76
  4. Step 4: Simplify right side
    23,172.24x = 704,600,998.07
  5. Step 5: Solve for x
    x = 704,600,998.07/23,172.24
  6. Step 6: Final answer
    x = 30,407.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.