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Finding the Fourth Proportional to 18,567.69, 25,622.22 and 11,014.71

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Solution

The fourth proportional to 18,567.69, 25,622.22 and 11,014.71 is: 15,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.69 : 25,622.22 = 11,014.71 : x
  2. Step 2: Convert to fraction form
    18,567.69/25,622.22 = 11,014.71/x
  3. Step 3: Cross multiply
    18,567.69x = 25,622.22 × 11,014.71
  4. Step 4: Simplify right side
    18,567.69x = 282,221,322.86
  5. Step 5: Solve for x
    x = 282,221,322.86/18,567.69
  6. Step 6: Final answer
    x = 15,199.59

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Half scale
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Double scale
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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.