Home / 14,422.20-21,646.66-8,886.36

Finding the Fourth Proportional to 14,422.20, 21,646.66 and 8,886.36

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Solution

The fourth proportional to 14,422.20, 21,646.66 and 8,886.36 is: 13,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.20 : 21,646.66 = 8,886.36 : x
  2. Step 2: Convert to fraction form
    14,422.20/21,646.66 = 8,886.36/x
  3. Step 3: Cross multiply
    14,422.20x = 21,646.66 × 8,886.36
  4. Step 4: Simplify right side
    14,422.20x = 192,360,013.56
  5. Step 5: Solve for x
    x = 192,360,013.56/14,422.20
  6. Step 6: Final answer
    x = 13,337.77

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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.