Home / 16,730.20-25,095.30-5,639.68

Finding the Fourth Proportional to 16,730.20, 25,095.30 and 5,639.68

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Solution

The fourth proportional to 16,730.20, 25,095.30 and 5,639.68 is: 8,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.20 : 25,095.30 = 5,639.68 : x
  2. Step 2: Convert to fraction form
    16,730.20/25,095.30 = 5,639.68/x
  3. Step 3: Cross multiply
    16,730.20x = 25,095.30 × 5,639.68
  4. Step 4: Simplify right side
    16,730.20x = 141,529,461.50
  5. Step 5: Solve for x
    x = 141,529,461.50/16,730.20
  6. Step 6: Final answer
    x = 8,459.52

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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.