Home / 15,470.70-21,354.63-9,096.96

Finding the Fourth Proportional to 15,470.70, 21,354.63 and 9,096.96

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Solution

The fourth proportional to 15,470.70, 21,354.63 and 9,096.96 is: 12,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.70 : 21,354.63 = 9,096.96 : x
  2. Step 2: Convert to fraction form
    15,470.70/21,354.63 = 9,096.96/x
  3. Step 3: Cross multiply
    15,470.70x = 21,354.63 × 9,096.96
  4. Step 4: Simplify right side
    15,470.70x = 194,262,214.92
  5. Step 5: Solve for x
    x = 194,262,214.92/15,470.70
  6. Step 6: Final answer
    x = 12,556.78

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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.