Home / 12,355.56-17,037.54-9,832.68

Finding the Fourth Proportional to 12,355.56, 17,037.54 and 9,832.68

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Solution

The fourth proportional to 12,355.56, 17,037.54 and 9,832.68 is: 13,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.56 : 17,037.54 = 9,832.68 : x
  2. Step 2: Convert to fraction form
    12,355.56/17,037.54 = 9,832.68/x
  3. Step 3: Cross multiply
    12,355.56x = 17,037.54 × 9,832.68
  4. Step 4: Simplify right side
    12,355.56x = 167,524,678.81
  5. Step 5: Solve for x
    x = 167,524,678.81/12,355.56
  6. Step 6: Final answer
    x = 13,558.65

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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.