Home / 18,988.04-26,202.66-10,604.36

Finding the Fourth Proportional to 18,988.04, 26,202.66 and 10,604.36

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Solution

The fourth proportional to 18,988.04, 26,202.66 and 10,604.36 is: 14,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.04 : 26,202.66 = 10,604.36 : x
  2. Step 2: Convert to fraction form
    18,988.04/26,202.66 = 10,604.36/x
  3. Step 3: Cross multiply
    18,988.04x = 26,202.66 × 10,604.36
  4. Step 4: Simplify right side
    18,988.04x = 277,862,439.60
  5. Step 5: Solve for x
    x = 277,862,439.60/18,988.04
  6. Step 6: Final answer
    x = 14,633.55

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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.