Home / 15,632.32-21,572.60-8,558.76

Finding the Fourth Proportional to 15,632.32, 21,572.60 and 8,558.76

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Solution

The fourth proportional to 15,632.32, 21,572.60 and 8,558.76 is: 11,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.32 : 21,572.60 = 8,558.76 : x
  2. Step 2: Convert to fraction form
    15,632.32/21,572.60 = 8,558.76/x
  3. Step 3: Cross multiply
    15,632.32x = 21,572.60 × 8,558.76
  4. Step 4: Simplify right side
    15,632.32x = 184,634,705.98
  5. Step 5: Solve for x
    x = 184,634,705.98/15,632.32
  6. Step 6: Final answer
    x = 11,811.09

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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.