Home / 17,126.40-25,690.80-7,264.56

Finding the Fourth Proportional to 17,126.40, 25,690.80 and 7,264.56

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Solution

The fourth proportional to 17,126.40, 25,690.80 and 7,264.56 is: 10,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.40 : 25,690.80 = 7,264.56 : x
  2. Step 2: Convert to fraction form
    17,126.40/25,690.80 = 7,264.56/x
  3. Step 3: Cross multiply
    17,126.40x = 25,690.80 × 7,264.56
  4. Step 4: Simplify right side
    17,126.40x = 186,632,358.05
  5. Step 5: Solve for x
    x = 186,632,358.05/17,126.40
  6. Step 6: Final answer
    x = 10,897.35

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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.