Home / 15,632.16-21,572.38-8,558.60

Finding the Fourth Proportional to 15,632.16, 21,572.38 and 8,558.60

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Solution

The fourth proportional to 15,632.16, 21,572.38 and 8,558.60 is: 11,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.16 : 21,572.38 = 8,558.60 : x
  2. Step 2: Convert to fraction form
    15,632.16/21,572.38 = 8,558.60/x
  3. Step 3: Cross multiply
    15,632.16x = 21,572.38 × 8,558.60
  4. Step 4: Simplify right side
    15,632.16x = 184,629,226.16
  5. Step 5: Solve for x
    x = 184,629,226.16/15,632.16
  6. Step 6: Final answer
    x = 11,810.86

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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.