Home / 15,632.14-21,572.35-8,558.56

Finding the Fourth Proportional to 15,632.14, 21,572.35 and 8,558.56

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Solution

The fourth proportional to 15,632.14, 21,572.35 and 8,558.56 is: 11,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.14 : 21,572.35 = 8,558.56 : x
  2. Step 2: Convert to fraction form
    15,632.14/21,572.35 = 8,558.56/x
  3. Step 3: Cross multiply
    15,632.14x = 21,572.35 × 8,558.56
  4. Step 4: Simplify right side
    15,632.14x = 184,628,305.53
  5. Step 5: Solve for x
    x = 184,628,305.53/15,632.14
  6. Step 6: Final answer
    x = 11,810.81

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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.