Home / 15,604.14-23,400.09-6,720.17

Finding the Fourth Proportional to 15,604.14, 23,400.09 and 6,720.17

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Solution

The fourth proportional to 15,604.14, 23,400.09 and 6,720.17 is: 10,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.14 : 23,400.09 = 6,720.17 : x
  2. Step 2: Convert to fraction form
    15,604.14/23,400.09 = 6,720.17/x
  3. Step 3: Cross multiply
    15,604.14x = 23,400.09 × 6,720.17
  4. Step 4: Simplify right side
    15,604.14x = 157,252,465.81
  5. Step 5: Solve for x
    x = 157,252,465.81/15,604.14
  6. Step 6: Final answer
    x = 10,077.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.