Home / 15,632.11-21,572.37-8,559.19

Finding the Fourth Proportional to 15,632.11, 21,572.37 and 8,559.19

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Solution

The fourth proportional to 15,632.11, 21,572.37 and 8,559.19 is: 11,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.11 : 21,572.37 = 8,559.19 : x
  2. Step 2: Convert to fraction form
    15,632.11/21,572.37 = 8,559.19/x
  3. Step 3: Cross multiply
    15,632.11x = 21,572.37 × 8,559.19
  4. Step 4: Simplify right side
    15,632.11x = 184,642,013.58
  5. Step 5: Solve for x
    x = 184,642,013.58/15,632.11
  6. Step 6: Final answer
    x = 11,811.71

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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.