Home / 14,220.84-21,324.23-4,357.74

Finding the Fourth Proportional to 14,220.84, 21,324.23 and 4,357.74

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Solution

The fourth proportional to 14,220.84, 21,324.23 and 4,357.74 is: 6,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.84 : 21,324.23 = 4,357.74 : x
  2. Step 2: Convert to fraction form
    14,220.84/21,324.23 = 4,357.74/x
  3. Step 3: Cross multiply
    14,220.84x = 21,324.23 × 4,357.74
  4. Step 4: Simplify right side
    14,220.84x = 92,925,380.97
  5. Step 5: Solve for x
    x = 92,925,380.97/14,220.84
  6. Step 6: Final answer
    x = 6,534.45

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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.