Home / 14,864.52-20,513.64-8,150.70

Finding the Fourth Proportional to 14,864.52, 20,513.64 and 8,150.70

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Solution

The fourth proportional to 14,864.52, 20,513.64 and 8,150.70 is: 11,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.52 : 20,513.64 = 8,150.70 : x
  2. Step 2: Convert to fraction form
    14,864.52/20,513.64 = 8,150.70/x
  3. Step 3: Cross multiply
    14,864.52x = 20,513.64 × 8,150.70
  4. Step 4: Simplify right side
    14,864.52x = 167,200,525.55
  5. Step 5: Solve for x
    x = 167,200,525.55/14,864.52
  6. Step 6: Final answer
    x = 11,248.30

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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.