Home / 20,510.47-30,767.21-7,362.95

Finding the Fourth Proportional to 20,510.47, 30,767.21 and 7,362.95

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Solution

The fourth proportional to 20,510.47, 30,767.21 and 7,362.95 is: 11,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510.47 : 30,767.21 = 7,362.95 : x
  2. Step 2: Convert to fraction form
    20,510.47/30,767.21 = 7,362.95/x
  3. Step 3: Cross multiply
    20,510.47x = 30,767.21 × 7,362.95
  4. Step 4: Simplify right side
    20,510.47x = 226,537,392.05
  5. Step 5: Solve for x
    x = 226,537,392.05/20,510.47
  6. Step 6: Final answer
    x = 11,044.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.