Home / 28,094.10-42,128.46-14,943.66

Finding the Fourth Proportional to 28,094.10, 42,128.46 and 14,943.66

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Solution

The fourth proportional to 28,094.10, 42,128.46 and 14,943.66 is: 22,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.10 : 42,128.46 = 14,943.66 : x
  2. Step 2: Convert to fraction form
    28,094.10/42,128.46 = 14,943.66/x
  3. Step 3: Cross multiply
    28,094.10x = 42,128.46 × 14,943.66
  4. Step 4: Simplify right side
    28,094.10x = 629,553,382.56
  5. Step 5: Solve for x
    x = 629,553,382.56/28,094.10
  6. Step 6: Final answer
    x = 22,408.74

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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.