Home / 14,179.69-19,565.58-8,210.33

Finding the Fourth Proportional to 14,179.69, 19,565.58 and 8,210.33

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Solution

The fourth proportional to 14,179.69, 19,565.58 and 8,210.33 is: 11,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.69 : 19,565.58 = 8,210.33 : x
  2. Step 2: Convert to fraction form
    14,179.69/19,565.58 = 8,210.33/x
  3. Step 3: Cross multiply
    14,179.69x = 19,565.58 × 8,210.33
  4. Step 4: Simplify right side
    14,179.69x = 160,639,874.77
  5. Step 5: Solve for x
    x = 160,639,874.77/14,179.69
  6. Step 6: Final answer
    x = 11,328.87

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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.