Home / 15,570.56-21,487.70-8,496.99

Finding the Fourth Proportional to 15,570.56, 21,487.70 and 8,496.99

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Solution

The fourth proportional to 15,570.56, 21,487.70 and 8,496.99 is: 11,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.56 : 21,487.70 = 8,496.99 : x
  2. Step 2: Convert to fraction form
    15,570.56/21,487.70 = 8,496.99/x
  3. Step 3: Cross multiply
    15,570.56x = 21,487.70 × 8,496.99
  4. Step 4: Simplify right side
    15,570.56x = 182,580,793.27
  5. Step 5: Solve for x
    x = 182,580,793.27/15,570.56
  6. Step 6: Final answer
    x = 11,726.02

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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.