Home / 13,237.02-18,267.18-7,269.36

Finding the Fourth Proportional to 13,237.02, 18,267.18 and 7,269.36

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Solution

The fourth proportional to 13,237.02, 18,267.18 and 7,269.36 is: 10,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.02 : 18,267.18 = 7,269.36 : x
  2. Step 2: Convert to fraction form
    13,237.02/18,267.18 = 7,269.36/x
  3. Step 3: Cross multiply
    13,237.02x = 18,267.18 × 7,269.36
  4. Step 4: Simplify right side
    13,237.02x = 132,790,707.60
  5. Step 5: Solve for x
    x = 132,790,707.60/13,237.02
  6. Step 6: Final answer
    x = 10,031.77

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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.