Home / 26,223.81-36,186.10-15,611.99

Finding the Fourth Proportional to 26,223.81, 36,186.10 and 15,611.99

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Solution

The fourth proportional to 26,223.81, 36,186.10 and 15,611.99 is: 21,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,223.81 : 36,186.10 = 15,611.99 : x
  2. Step 2: Convert to fraction form
    26,223.81/36,186.10 = 15,611.99/x
  3. Step 3: Cross multiply
    26,223.81x = 36,186.10 × 15,611.99
  4. Step 4: Simplify right side
    26,223.81x = 564,936,953.28
  5. Step 5: Solve for x
    x = 564,936,953.28/26,223.81
  6. Step 6: Final answer
    x = 21,542.90

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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.