Home / 13,298.46-19,962.28-5,512.74

Finding the Fourth Proportional to 13,298.46, 19,962.28 and 5,512.74

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Solution

The fourth proportional to 13,298.46, 19,962.28 and 5,512.74 is: 8,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.46 : 19,962.28 = 5,512.74 : x
  2. Step 2: Convert to fraction form
    13,298.46/19,962.28 = 5,512.74/x
  3. Step 3: Cross multiply
    13,298.46x = 19,962.28 × 5,512.74
  4. Step 4: Simplify right side
    13,298.46x = 110,046,859.45
  5. Step 5: Solve for x
    x = 110,046,859.45/13,298.46
  6. Step 6: Final answer
    x = 8,275.16

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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.