Home / 14,631.63-20,191.53-7,917.12

Finding the Fourth Proportional to 14,631.63, 20,191.53 and 7,917.12

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Solution

The fourth proportional to 14,631.63, 20,191.53 and 7,917.12 is: 10,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.63 : 20,191.53 = 7,917.12 : x
  2. Step 2: Convert to fraction form
    14,631.63/20,191.53 = 7,917.12/x
  3. Step 3: Cross multiply
    14,631.63x = 20,191.53 × 7,917.12
  4. Step 4: Simplify right side
    14,631.63x = 159,858,765.99
  5. Step 5: Solve for x
    x = 159,858,765.99/14,631.63
  6. Step 6: Final answer
    x = 10,925.56

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Half scale
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Double scale
Find fourth proportional to 14,632.63, 20,192.91 and 7,918.12
Similar ratio
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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.