Home / 13,327.56-18,392.58-8,294.76

Finding the Fourth Proportional to 13,327.56, 18,392.58 and 8,294.76

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Solution

The fourth proportional to 13,327.56, 18,392.58 and 8,294.76 is: 11,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.56 : 18,392.58 = 8,294.76 : x
  2. Step 2: Convert to fraction form
    13,327.56/18,392.58 = 8,294.76/x
  3. Step 3: Cross multiply
    13,327.56x = 18,392.58 × 8,294.76
  4. Step 4: Simplify right side
    13,327.56x = 152,562,036.88
  5. Step 5: Solve for x
    x = 152,562,036.88/13,327.56
  6. Step 6: Final answer
    x = 11,447.11

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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.