Home / 16,819.12-23,210.11-9,650.35

Finding the Fourth Proportional to 16,819.12, 23,210.11 and 9,650.35

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Solution

The fourth proportional to 16,819.12, 23,210.11 and 9,650.35 is: 13,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.12 : 23,210.11 = 9,650.35 : x
  2. Step 2: Convert to fraction form
    16,819.12/23,210.11 = 9,650.35/x
  3. Step 3: Cross multiply
    16,819.12x = 23,210.11 × 9,650.35
  4. Step 4: Simplify right side
    16,819.12x = 223,985,685.04
  5. Step 5: Solve for x
    x = 223,985,685.04/16,819.12
  6. Step 6: Final answer
    x = 13,317.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.