Home / 14,125.38-21,188.22-4,264.74

Finding the Fourth Proportional to 14,125.38, 21,188.22 and 4,264.74

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Solution

The fourth proportional to 14,125.38, 21,188.22 and 4,264.74 is: 6,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.38 : 21,188.22 = 4,264.74 : x
  2. Step 2: Convert to fraction form
    14,125.38/21,188.22 = 4,264.74/x
  3. Step 3: Cross multiply
    14,125.38x = 21,188.22 × 4,264.74
  4. Step 4: Simplify right side
    14,125.38x = 90,362,249.36
  5. Step 5: Solve for x
    x = 90,362,249.36/14,125.38
  6. Step 6: Final answer
    x = 6,397.16

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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.