Home / 13,576.16-18,733.20-7,607.36

Finding the Fourth Proportional to 13,576.16, 18,733.20 and 7,607.36

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Solution

The fourth proportional to 13,576.16, 18,733.20 and 7,607.36 is: 10,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.16 : 18,733.20 = 7,607.36 : x
  2. Step 2: Convert to fraction form
    13,576.16/18,733.20 = 7,607.36/x
  3. Step 3: Cross multiply
    13,576.16x = 18,733.20 × 7,607.36
  4. Step 4: Simplify right side
    13,576.16x = 142,510,196.35
  5. Step 5: Solve for x
    x = 142,510,196.35/13,576.16
  6. Step 6: Final answer
    x = 10,497.09

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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.