Home / 13,083.04-18,044.40-10,853.92

Finding the Fourth Proportional to 13,083.04, 18,044.40 and 10,853.92

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Solution

The fourth proportional to 13,083.04, 18,044.40 and 10,853.92 is: 14,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.04 : 18,044.40 = 10,853.92 : x
  2. Step 2: Convert to fraction form
    13,083.04/18,044.40 = 10,853.92/x
  3. Step 3: Cross multiply
    13,083.04x = 18,044.40 × 10,853.92
  4. Step 4: Simplify right side
    13,083.04x = 195,852,474.05
  5. Step 5: Solve for x
    x = 195,852,474.05/13,083.04
  6. Step 6: Final answer
    x = 14,969.95

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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.