Home / 16,802.79-23,184.13-9,725.12

Finding the Fourth Proportional to 16,802.79, 23,184.13 and 9,725.12

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Solution

The fourth proportional to 16,802.79, 23,184.13 and 9,725.12 is: 13,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.79 : 23,184.13 = 9,725.12 : x
  2. Step 2: Convert to fraction form
    16,802.79/23,184.13 = 9,725.12/x
  3. Step 3: Cross multiply
    16,802.79x = 23,184.13 × 9,725.12
  4. Step 4: Simplify right side
    16,802.79x = 225,468,306.11
  5. Step 5: Solve for x
    x = 225,468,306.11/16,802.79
  6. Step 6: Final answer
    x = 13,418.50

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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.