Home / 14,167.40-21,218.70-7,233.80

Finding the Fourth Proportional to 14,167.40, 21,218.70 and 7,233.80

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Solution

The fourth proportional to 14,167.40, 21,218.70 and 7,233.80 is: 10,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.40 : 21,218.70 = 7,233.80 : x
  2. Step 2: Convert to fraction form
    14,167.40/21,218.70 = 7,233.80/x
  3. Step 3: Cross multiply
    14,167.40x = 21,218.70 × 7,233.80
  4. Step 4: Simplify right side
    14,167.40x = 153,491,832.06
  5. Step 5: Solve for x
    x = 153,491,832.06/14,167.40
  6. Step 6: Final answer
    x = 10,834.16

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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.