Home / 14,475.50-21,715.28-4,481.08

Finding the Fourth Proportional to 14,475.50, 21,715.28 and 4,481.08

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Solution

The fourth proportional to 14,475.50, 21,715.28 and 4,481.08 is: 6,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.50 : 21,715.28 = 4,481.08 : x
  2. Step 2: Convert to fraction form
    14,475.50/21,715.28 = 4,481.08/x
  3. Step 3: Cross multiply
    14,475.50x = 21,715.28 × 4,481.08
  4. Step 4: Simplify right side
    14,475.50x = 97,307,906.90
  5. Step 5: Solve for x
    x = 97,307,906.90/14,475.50
  6. Step 6: Final answer
    x = 6,722.25

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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.