Home / 13,714.32-20,572.56-4,950.12

Finding the Fourth Proportional to 13,714.32, 20,572.56 and 4,950.12

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Solution

The fourth proportional to 13,714.32, 20,572.56 and 4,950.12 is: 7,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.32 : 20,572.56 = 4,950.12 : x
  2. Step 2: Convert to fraction form
    13,714.32/20,572.56 = 4,950.12/x
  3. Step 3: Cross multiply
    13,714.32x = 20,572.56 × 4,950.12
  4. Step 4: Simplify right side
    13,714.32x = 101,836,640.71
  5. Step 5: Solve for x
    x = 101,836,640.71/13,714.32
  6. Step 6: Final answer
    x = 7,425.57

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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.