Home / 14,125.07-21,184.70-13,422.53

Finding the Fourth Proportional to 14,125.07, 21,184.70 and 13,422.53

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Solution

The fourth proportional to 14,125.07, 21,184.70 and 13,422.53 is: 20,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.07 : 21,184.70 = 13,422.53 : x
  2. Step 2: Convert to fraction form
    14,125.07/21,184.70 = 13,422.53/x
  3. Step 3: Cross multiply
    14,125.07x = 21,184.70 × 13,422.53
  4. Step 4: Simplify right side
    14,125.07x = 284,352,098.25
  5. Step 5: Solve for x
    x = 284,352,098.25/14,125.07
  6. Step 6: Final answer
    x = 20,131.03

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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.