Home / 14,864.49-20,513.61-8,150.76

Finding the Fourth Proportional to 14,864.49, 20,513.61 and 8,150.76

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Solution

The fourth proportional to 14,864.49, 20,513.61 and 8,150.76 is: 11,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.49 : 20,513.61 = 8,150.76 : x
  2. Step 2: Convert to fraction form
    14,864.49/20,513.61 = 8,150.76/x
  3. Step 3: Cross multiply
    14,864.49x = 20,513.61 × 8,150.76
  4. Step 4: Simplify right side
    14,864.49x = 167,201,511.84
  5. Step 5: Solve for x
    x = 167,201,511.84/14,864.49
  6. Step 6: Final answer
    x = 11,248.39

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Double scale
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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.