Home / 13,237.49-18,267.99-7,269.77

Finding the Fourth Proportional to 13,237.49, 18,267.99 and 7,269.77

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Solution

The fourth proportional to 13,237.49, 18,267.99 and 7,269.77 is: 10,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.49 : 18,267.99 = 7,269.77 : x
  2. Step 2: Convert to fraction form
    13,237.49/18,267.99 = 7,269.77/x
  3. Step 3: Cross multiply
    13,237.49x = 18,267.99 × 7,269.77
  4. Step 4: Simplify right side
    13,237.49x = 132,804,085.66
  5. Step 5: Solve for x
    x = 132,804,085.66/13,237.49
  6. Step 6: Final answer
    x = 10,032.42

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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.