Home / 26,515.07-36,588.63-15,611.48

Finding the Fourth Proportional to 26,515.07, 36,588.63 and 15,611.48

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Solution

The fourth proportional to 26,515.07, 36,588.63 and 15,611.48 is: 21,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.07 : 36,588.63 = 15,611.48 : x
  2. Step 2: Convert to fraction form
    26,515.07/36,588.63 = 15,611.48/x
  3. Step 3: Cross multiply
    26,515.07x = 36,588.63 × 15,611.48
  4. Step 4: Simplify right side
    26,515.07x = 571,202,698.40
  5. Step 5: Solve for x
    x = 571,202,698.40/26,515.07
  6. Step 6: Final answer
    x = 21,542.57

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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.