Home / 13,252.22-18,289.71-7,663.22

Finding the Fourth Proportional to 13,252.22, 18,289.71 and 7,663.22

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Solution

The fourth proportional to 13,252.22, 18,289.71 and 7,663.22 is: 10,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.22 : 18,289.71 = 7,663.22 : x
  2. Step 2: Convert to fraction form
    13,252.22/18,289.71 = 7,663.22/x
  3. Step 3: Cross multiply
    13,252.22x = 18,289.71 × 7,663.22
  4. Step 4: Simplify right side
    13,252.22x = 140,158,071.47
  5. Step 5: Solve for x
    x = 140,158,071.47/13,252.22
  6. Step 6: Final answer
    x = 10,576.20

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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.