Home / 14,487.45-21,732.48-5,126.46

Finding the Fourth Proportional to 14,487.45, 21,732.48 and 5,126.46

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Solution

The fourth proportional to 14,487.45, 21,732.48 and 5,126.46 is: 7,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.45 : 21,732.48 = 5,126.46 : x
  2. Step 2: Convert to fraction form
    14,487.45/21,732.48 = 5,126.46/x
  3. Step 3: Cross multiply
    14,487.45x = 21,732.48 × 5,126.46
  4. Step 4: Simplify right side
    14,487.45x = 111,410,689.42
  5. Step 5: Solve for x
    x = 111,410,689.42/14,487.45
  6. Step 6: Final answer
    x = 7,690.15

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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.