Home / 15,632.33-21,572.87-8,559.14

Finding the Fourth Proportional to 15,632.33, 21,572.87 and 8,559.14

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Solution

The fourth proportional to 15,632.33, 21,572.87 and 8,559.14 is: 11,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.33 : 21,572.87 = 8,559.14 : x
  2. Step 2: Convert to fraction form
    15,632.33/21,572.87 = 8,559.14/x
  3. Step 3: Cross multiply
    15,632.33x = 21,572.87 × 8,559.14
  4. Step 4: Simplify right side
    15,632.33x = 184,645,063.87
  5. Step 5: Solve for x
    x = 184,645,063.87/15,632.33
  6. Step 6: Final answer
    x = 11,811.75

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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.