Home / 14,184.45-19,572.12-8,216.64

Finding the Fourth Proportional to 14,184.45, 19,572.12 and 8,216.64

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Solution

The fourth proportional to 14,184.45, 19,572.12 and 8,216.64 is: 11,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.45 : 19,572.12 = 8,216.64 : x
  2. Step 2: Convert to fraction form
    14,184.45/19,572.12 = 8,216.64/x
  3. Step 3: Cross multiply
    14,184.45x = 19,572.12 × 8,216.64
  4. Step 4: Simplify right side
    14,184.45x = 160,817,064.08
  5. Step 5: Solve for x
    x = 160,817,064.08/14,184.45
  6. Step 6: Final answer
    x = 11,337.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.