Home / 14,422.50-19,905.21-8,836.74

Finding the Fourth Proportional to 14,422.50, 19,905.21 and 8,836.74

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Solution

The fourth proportional to 14,422.50, 19,905.21 and 8,836.74 is: 12,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.50 : 19,905.21 = 8,836.74 : x
  2. Step 2: Convert to fraction form
    14,422.50/19,905.21 = 8,836.74/x
  3. Step 3: Cross multiply
    14,422.50x = 19,905.21 × 8,836.74
  4. Step 4: Simplify right side
    14,422.50x = 175,897,165.42
  5. Step 5: Solve for x
    x = 175,897,165.42/14,422.50
  6. Step 6: Final answer
    x = 12,196.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.