Home / 16,638.45-22,955.55-10,976.01

Finding the Fourth Proportional to 16,638.45, 22,955.55 and 10,976.01

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Solution

The fourth proportional to 16,638.45, 22,955.55 and 10,976.01 is: 15,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.45 : 22,955.55 = 10,976.01 : x
  2. Step 2: Convert to fraction form
    16,638.45/22,955.55 = 10,976.01/x
  3. Step 3: Cross multiply
    16,638.45x = 22,955.55 × 10,976.01
  4. Step 4: Simplify right side
    16,638.45x = 251,960,346.36
  5. Step 5: Solve for x
    x = 251,960,346.36/16,638.45
  6. Step 6: Final answer
    x = 15,143.26

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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.