Home / 15,960.81-23,962.43-13,635.76

Finding the Fourth Proportional to 15,960.81, 23,962.43 and 13,635.76

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Solution

The fourth proportional to 15,960.81, 23,962.43 and 13,635.76 is: 20,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.81 : 23,962.43 = 13,635.76 : x
  2. Step 2: Convert to fraction form
    15,960.81/23,962.43 = 13,635.76/x
  3. Step 3: Cross multiply
    15,960.81x = 23,962.43 × 13,635.76
  4. Step 4: Simplify right side
    15,960.81x = 326,745,944.50
  5. Step 5: Solve for x
    x = 326,745,944.50/15,960.81
  6. Step 6: Final answer
    x = 20,471.76

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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.