Home / 14,821.72-22,220.96-7,422.46

Finding the Fourth Proportional to 14,821.72, 22,220.96 and 7,422.46

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Solution

The fourth proportional to 14,821.72, 22,220.96 and 7,422.46 is: 11,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.72 : 22,220.96 = 7,422.46 : x
  2. Step 2: Convert to fraction form
    14,821.72/22,220.96 = 7,422.46/x
  3. Step 3: Cross multiply
    14,821.72x = 22,220.96 × 7,422.46
  4. Step 4: Simplify right side
    14,821.72x = 164,934,186.76
  5. Step 5: Solve for x
    x = 164,934,186.76/14,821.72
  6. Step 6: Final answer
    x = 11,127.87

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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.