Home / 15,308.17-21,124.98-8,593.27

Finding the Fourth Proportional to 15,308.17, 21,124.98 and 8,593.27

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Solution

The fourth proportional to 15,308.17, 21,124.98 and 8,593.27 is: 11,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.17 : 21,124.98 = 8,593.27 : x
  2. Step 2: Convert to fraction form
    15,308.17/21,124.98 = 8,593.27/x
  3. Step 3: Cross multiply
    15,308.17x = 21,124.98 × 8,593.27
  4. Step 4: Simplify right side
    15,308.17x = 181,532,656.88
  5. Step 5: Solve for x
    x = 181,532,656.88/15,308.17
  6. Step 6: Final answer
    x = 11,858.55

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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.