Home / 14,220.47-19,632.57-9,446.87

Finding the Fourth Proportional to 14,220.47, 19,632.57 and 9,446.87

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Solution

The fourth proportional to 14,220.47, 19,632.57 and 9,446.87 is: 13,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.47 : 19,632.57 = 9,446.87 : x
  2. Step 2: Convert to fraction form
    14,220.47/19,632.57 = 9,446.87/x
  3. Step 3: Cross multiply
    14,220.47x = 19,632.57 × 9,446.87
  4. Step 4: Simplify right side
    14,220.47x = 185,466,336.56
  5. Step 5: Solve for x
    x = 185,466,336.56/14,220.47
  6. Step 6: Final answer
    x = 13,042.21

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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.