Home / 18,736.02-28,108.08-6,253.74

Finding the Fourth Proportional to 18,736.02, 28,108.08 and 6,253.74

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Solution

The fourth proportional to 18,736.02, 28,108.08 and 6,253.74 is: 9,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.02 : 28,108.08 = 6,253.74 : x
  2. Step 2: Convert to fraction form
    18,736.02/28,108.08 = 6,253.74/x
  3. Step 3: Cross multiply
    18,736.02x = 28,108.08 × 6,253.74
  4. Step 4: Simplify right side
    18,736.02x = 175,780,624.22
  5. Step 5: Solve for x
    x = 175,780,624.22/18,736.02
  6. Step 6: Final answer
    x = 9,381.96

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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.