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Finding the Fourth Proportional to 18,550.68, 25,602.54 and 11,834.16

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Solution

The fourth proportional to 18,550.68, 25,602.54 and 11,834.16 is: 16,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.68 : 25,602.54 = 11,834.16 : x
  2. Step 2: Convert to fraction form
    18,550.68/25,602.54 = 11,834.16/x
  3. Step 3: Cross multiply
    18,550.68x = 25,602.54 × 11,834.16
  4. Step 4: Simplify right side
    18,550.68x = 302,984,554.77
  5. Step 5: Solve for x
    x = 302,984,554.77/18,550.68
  6. Step 6: Final answer
    x = 16,332.80

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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.