Home / 14,518.68-21,776.78-4,655.30

Finding the Fourth Proportional to 14,518.68, 21,776.78 and 4,655.30

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Solution

The fourth proportional to 14,518.68, 21,776.78 and 4,655.30 is: 6,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.68 : 21,776.78 = 4,655.30 : x
  2. Step 2: Convert to fraction form
    14,518.68/21,776.78 = 4,655.30/x
  3. Step 3: Cross multiply
    14,518.68x = 21,776.78 × 4,655.30
  4. Step 4: Simplify right side
    14,518.68x = 101,377,443.93
  5. Step 5: Solve for x
    x = 101,377,443.93/14,518.68
  6. Step 6: Final answer
    x = 6,982.55

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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.