Home / 15,623.24-21,559.38-8,549.96

Finding the Fourth Proportional to 15,623.24, 21,559.38 and 8,549.96

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Solution

The fourth proportional to 15,623.24, 21,559.38 and 8,549.96 is: 11,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.24 : 21,559.38 = 8,549.96 : x
  2. Step 2: Convert to fraction form
    15,623.24/21,559.38 = 8,549.96/x
  3. Step 3: Cross multiply
    15,623.24x = 21,559.38 × 8,549.96
  4. Step 4: Simplify right side
    15,623.24x = 184,331,836.62
  5. Step 5: Solve for x
    x = 184,331,836.62/15,623.24
  6. Step 6: Final answer
    x = 11,798.57

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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.