Home / 14,087.95-21,135.43-4,227.41

Finding the Fourth Proportional to 14,087.95, 21,135.43 and 4,227.41

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Solution

The fourth proportional to 14,087.95, 21,135.43 and 4,227.41 is: 6,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.95 : 21,135.43 = 4,227.41 : x
  2. Step 2: Convert to fraction form
    14,087.95/21,135.43 = 4,227.41/x
  3. Step 3: Cross multiply
    14,087.95x = 21,135.43 × 4,227.41
  4. Step 4: Simplify right side
    14,087.95x = 89,348,022.46
  5. Step 5: Solve for x
    x = 89,348,022.46/14,087.95
  6. Step 6: Final answer
    x = 6,342.16

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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.