Home / 14,197.48-21,309.33-7,182.43

Finding the Fourth Proportional to 14,197.48, 21,309.33 and 7,182.43

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Solution

The fourth proportional to 14,197.48, 21,309.33 and 7,182.43 is: 10,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.48 : 21,309.33 = 7,182.43 : x
  2. Step 2: Convert to fraction form
    14,197.48/21,309.33 = 7,182.43/x
  3. Step 3: Cross multiply
    14,197.48x = 21,309.33 × 7,182.43
  4. Step 4: Simplify right side
    14,197.48x = 153,052,771.07
  5. Step 5: Solve for x
    x = 153,052,771.07/14,197.48
  6. Step 6: Final answer
    x = 10,780.28

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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.