Home / 18,364.08-27,543.42-5,216.16

Finding the Fourth Proportional to 18,364.08, 27,543.42 and 5,216.16

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Solution

The fourth proportional to 18,364.08, 27,543.42 and 5,216.16 is: 7,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.08 : 27,543.42 = 5,216.16 : x
  2. Step 2: Convert to fraction form
    18,364.08/27,543.42 = 5,216.16/x
  3. Step 3: Cross multiply
    18,364.08x = 27,543.42 × 5,216.16
  4. Step 4: Simplify right side
    18,364.08x = 143,670,885.67
  5. Step 5: Solve for x
    x = 143,670,885.67/18,364.08
  6. Step 6: Final answer
    x = 7,823.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.