Home / 13,494.06-18,624.05-7,832.16

Finding the Fourth Proportional to 13,494.06, 18,624.05 and 7,832.16

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Solution

The fourth proportional to 13,494.06, 18,624.05 and 7,832.16 is: 10,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.06 : 18,624.05 = 7,832.16 : x
  2. Step 2: Convert to fraction form
    13,494.06/18,624.05 = 7,832.16/x
  3. Step 3: Cross multiply
    13,494.06x = 18,624.05 × 7,832.16
  4. Step 4: Simplify right side
    13,494.06x = 145,866,539.45
  5. Step 5: Solve for x
    x = 145,866,539.45/13,494.06
  6. Step 6: Final answer
    x = 10,809.69

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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.