Home / 15,632.73-21,573.18-8,559.16

Finding the Fourth Proportional to 15,632.73, 21,573.18 and 8,559.16

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Solution

The fourth proportional to 15,632.73, 21,573.18 and 8,559.16 is: 11,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.73 : 21,573.18 = 8,559.16 : x
  2. Step 2: Convert to fraction form
    15,632.73/21,573.18 = 8,559.16/x
  3. Step 3: Cross multiply
    15,632.73x = 21,573.18 × 8,559.16
  4. Step 4: Simplify right side
    15,632.73x = 184,648,245.40
  5. Step 5: Solve for x
    x = 184,648,245.40/15,632.73
  6. Step 6: Final answer
    x = 11,811.64

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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.