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Finding the Fourth Proportional to 16,457.70, 24,686.55 and 11,208.90

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Solution

The fourth proportional to 16,457.70, 24,686.55 and 11,208.90 is: 16,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,457.70 : 24,686.55 = 11,208.90 : x
  2. Step 2: Convert to fraction form
    16,457.70/24,686.55 = 11,208.90/x
  3. Step 3: Cross multiply
    16,457.70x = 24,686.55 × 11,208.90
  4. Step 4: Simplify right side
    16,457.70x = 276,709,070.30
  5. Step 5: Solve for x
    x = 276,709,070.30/16,457.70
  6. Step 6: Final answer
    x = 16,813.35

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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.