Home / 13,083.02-18,054.48-7,418.84

Finding the Fourth Proportional to 13,083.02, 18,054.48 and 7,418.84

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Solution

The fourth proportional to 13,083.02, 18,054.48 and 7,418.84 is: 10,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.02 : 18,054.48 = 7,418.84 : x
  2. Step 2: Convert to fraction form
    13,083.02/18,054.48 = 7,418.84/x
  3. Step 3: Cross multiply
    13,083.02x = 18,054.48 × 7,418.84
  4. Step 4: Simplify right side
    13,083.02x = 133,943,298.40
  5. Step 5: Solve for x
    x = 133,943,298.40/13,083.02
  6. Step 6: Final answer
    x = 10,237.95

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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.