Home / 14,468.28-19,966.64-8,180.52

Finding the Fourth Proportional to 14,468.28, 19,966.64 and 8,180.52

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Solution

The fourth proportional to 14,468.28, 19,966.64 and 8,180.52 is: 11,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.28 : 19,966.64 = 8,180.52 : x
  2. Step 2: Convert to fraction form
    14,468.28/19,966.64 = 8,180.52/x
  3. Step 3: Cross multiply
    14,468.28x = 19,966.64 × 8,180.52
  4. Step 4: Simplify right side
    14,468.28x = 163,337,497.85
  5. Step 5: Solve for x
    x = 163,337,497.85/14,468.28
  6. Step 6: Final answer
    x = 11,289.35

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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.