Home / 17,640.34-24,342.78-10,470.57

Finding the Fourth Proportional to 17,640.34, 24,342.78 and 10,470.57

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Solution

The fourth proportional to 17,640.34, 24,342.78 and 10,470.57 is: 14,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.34 : 24,342.78 = 10,470.57 : x
  2. Step 2: Convert to fraction form
    17,640.34/24,342.78 = 10,470.57/x
  3. Step 3: Cross multiply
    17,640.34x = 24,342.78 × 10,470.57
  4. Step 4: Simplify right side
    17,640.34x = 254,882,682.48
  5. Step 5: Solve for x
    x = 254,882,682.48/17,640.34
  6. Step 6: Final answer
    x = 14,448.85

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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.