Home / 14,604.75-20,154.58-8,317.13

Finding the Fourth Proportional to 14,604.75, 20,154.58 and 8,317.13

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Solution

The fourth proportional to 14,604.75, 20,154.58 and 8,317.13 is: 11,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.75 : 20,154.58 = 8,317.13 : x
  2. Step 2: Convert to fraction form
    14,604.75/20,154.58 = 8,317.13/x
  3. Step 3: Cross multiply
    14,604.75x = 20,154.58 × 8,317.13
  4. Step 4: Simplify right side
    14,604.75x = 167,628,140.39
  5. Step 5: Solve for x
    x = 167,628,140.39/14,604.75
  6. Step 6: Final answer
    x = 11,477.65

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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.