Home / 14,176.78-21,219.69-9,422.03

Finding the Fourth Proportional to 14,176.78, 21,219.69 and 9,422.03

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Solution

The fourth proportional to 14,176.78, 21,219.69 and 9,422.03 is: 14,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.78 : 21,219.69 = 9,422.03 : x
  2. Step 2: Convert to fraction form
    14,176.78/21,219.69 = 9,422.03/x
  3. Step 3: Cross multiply
    14,176.78x = 21,219.69 × 9,422.03
  4. Step 4: Simplify right side
    14,176.78x = 199,932,555.77
  5. Step 5: Solve for x
    x = 199,932,555.77/14,176.78
  6. Step 6: Final answer
    x = 14,102.82

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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.