Home / 14,117.28-21,176.22-4,755.60

Finding the Fourth Proportional to 14,117.28, 21,176.22 and 4,755.60

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Solution

The fourth proportional to 14,117.28, 21,176.22 and 4,755.60 is: 7,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.28 : 21,176.22 = 4,755.60 : x
  2. Step 2: Convert to fraction form
    14,117.28/21,176.22 = 4,755.60/x
  3. Step 3: Cross multiply
    14,117.28x = 21,176.22 × 4,755.60
  4. Step 4: Simplify right side
    14,117.28x = 100,705,631.83
  5. Step 5: Solve for x
    x = 100,705,631.83/14,117.28
  6. Step 6: Final answer
    x = 7,133.50

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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.