Home / 12,024.47-18,020.32-6,761.99

Finding the Fourth Proportional to 12,024.47, 18,020.32 and 6,761.99

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Solution

The fourth proportional to 12,024.47, 18,020.32 and 6,761.99 is: 10,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.47 : 18,020.32 = 6,761.99 : x
  2. Step 2: Convert to fraction form
    12,024.47/18,020.32 = 6,761.99/x
  3. Step 3: Cross multiply
    12,024.47x = 18,020.32 × 6,761.99
  4. Step 4: Simplify right side
    12,024.47x = 121,853,116.63
  5. Step 5: Solve for x
    x = 121,853,116.63/12,024.47
  6. Step 6: Final answer
    x = 10,133.77

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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.