Home / 15,566.07-21,481.25-8,492.65

Finding the Fourth Proportional to 15,566.07, 21,481.25 and 8,492.65

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Solution

The fourth proportional to 15,566.07, 21,481.25 and 8,492.65 is: 11,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.07 : 21,481.25 = 8,492.65 : x
  2. Step 2: Convert to fraction form
    15,566.07/21,481.25 = 8,492.65/x
  3. Step 3: Cross multiply
    15,566.07x = 21,481.25 × 8,492.65
  4. Step 4: Simplify right side
    15,566.07x = 182,432,737.81
  5. Step 5: Solve for x
    x = 182,432,737.81/15,566.07
  6. Step 6: Final answer
    x = 11,719.90

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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.