Home / 15,632.38-21,572.31-8,559.10

Finding the Fourth Proportional to 15,632.38, 21,572.31 and 8,559.10

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Solution

The fourth proportional to 15,632.38, 21,572.31 and 8,559.10 is: 11,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.38 : 21,572.31 = 8,559.10 : x
  2. Step 2: Convert to fraction form
    15,632.38/21,572.31 = 8,559.10/x
  3. Step 3: Cross multiply
    15,632.38x = 21,572.31 × 8,559.10
  4. Step 4: Simplify right side
    15,632.38x = 184,639,558.52
  5. Step 5: Solve for x
    x = 184,639,558.52/15,632.38
  6. Step 6: Final answer
    x = 11,811.35

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Half 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.