Home / 26,172.14-36,126.95-15,561.75

Finding the Fourth Proportional to 26,172.14, 36,126.95 and 15,561.75

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Solution

The fourth proportional to 26,172.14, 36,126.95 and 15,561.75 is: 21,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.14 : 36,126.95 = 15,561.75 : x
  2. Step 2: Convert to fraction form
    26,172.14/36,126.95 = 15,561.75/x
  3. Step 3: Cross multiply
    26,172.14x = 36,126.95 × 15,561.75
  4. Step 4: Simplify right side
    26,172.14x = 562,198,603.07
  5. Step 5: Solve for x
    x = 562,198,603.07/26,172.14
  6. Step 6: Final answer
    x = 21,480.80

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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.