Home / 16,459.76-24,689.39-3,979.70

Finding the Fourth Proportional to 16,459.76, 24,689.39 and 3,979.70

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Solution

The fourth proportional to 16,459.76, 24,689.39 and 3,979.70 is: 5,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459.76 : 24,689.39 = 3,979.70 : x
  2. Step 2: Convert to fraction form
    16,459.76/24,689.39 = 3,979.70/x
  3. Step 3: Cross multiply
    16,459.76x = 24,689.39 × 3,979.70
  4. Step 4: Simplify right side
    16,459.76x = 98,256,222.04
  5. Step 5: Solve for x
    x = 98,256,222.04/16,459.76
  6. Step 6: Final answer
    x = 5,969.48

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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.