Home / 26,750.99-36,915.12-15,422.51

Finding the Fourth Proportional to 26,750.99, 36,915.12 and 15,422.51

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Solution

The fourth proportional to 26,750.99, 36,915.12 and 15,422.51 is: 21,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.99 : 36,915.12 = 15,422.51 : x
  2. Step 2: Convert to fraction form
    26,750.99/36,915.12 = 15,422.51/x
  3. Step 3: Cross multiply
    26,750.99x = 36,915.12 × 15,422.51
  4. Step 4: Simplify right side
    26,750.99x = 569,323,622.78
  5. Step 5: Solve for x
    x = 569,323,622.78/26,750.99
  6. Step 6: Final answer
    x = 21,282.34

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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.