Home / 17,844.20-26,740.70-13,127.40

Finding the Fourth Proportional to 17,844.20, 26,740.70 and 13,127.40

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Solution

The fourth proportional to 17,844.20, 26,740.70 and 13,127.40 is: 19,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,844.20 : 26,740.70 = 13,127.40 : x
  2. Step 2: Convert to fraction form
    17,844.20/26,740.70 = 13,127.40/x
  3. Step 3: Cross multiply
    17,844.20x = 26,740.70 × 13,127.40
  4. Step 4: Simplify right side
    17,844.20x = 351,035,865.18
  5. Step 5: Solve for x
    x = 351,035,865.18/17,844.20
  6. Step 6: Final answer
    x = 19,672.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.