Home / 15,570.08-21,486.30-8,496.62

Finding the Fourth Proportional to 15,570.08, 21,486.30 and 8,496.62

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Solution

The fourth proportional to 15,570.08, 21,486.30 and 8,496.62 is: 11,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.08 : 21,486.30 = 8,496.62 : x
  2. Step 2: Convert to fraction form
    15,570.08/21,486.30 = 8,496.62/x
  3. Step 3: Cross multiply
    15,570.08x = 21,486.30 × 8,496.62
  4. Step 4: Simplify right side
    15,570.08x = 182,560,926.31
  5. Step 5: Solve for x
    x = 182,560,926.31/15,570.08
  6. Step 6: Final answer
    x = 11,725.11

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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.