Home / 16,890.12-25,336.28-6,501.88

Finding the Fourth Proportional to 16,890.12, 25,336.28 and 6,501.88

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Solution

The fourth proportional to 16,890.12, 25,336.28 and 6,501.88 is: 9,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.12 : 25,336.28 = 6,501.88 : x
  2. Step 2: Convert to fraction form
    16,890.12/25,336.28 = 6,501.88/x
  3. Step 3: Cross multiply
    16,890.12x = 25,336.28 × 6,501.88
  4. Step 4: Simplify right side
    16,890.12x = 164,733,452.21
  5. Step 5: Solve for x
    x = 164,733,452.21/16,890.12
  6. Step 6: Final answer
    x = 9,753.24

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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.