Home / 14,113.52-21,173.81-9,961.63

Finding the Fourth Proportional to 14,113.52, 21,173.81 and 9,961.63

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Solution

The fourth proportional to 14,113.52, 21,173.81 and 9,961.63 is: 14,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.52 : 21,173.81 = 9,961.63 : x
  2. Step 2: Convert to fraction form
    14,113.52/21,173.81 = 9,961.63/x
  3. Step 3: Cross multiply
    14,113.52x = 21,173.81 × 9,961.63
  4. Step 4: Simplify right side
    14,113.52x = 210,925,660.91
  5. Step 5: Solve for x
    x = 210,925,660.91/14,113.52
  6. Step 6: Final answer
    x = 14,944.94

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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.