Home / 26,254.36-36,231.06-15,499.72

Finding the Fourth Proportional to 26,254.36, 36,231.06 and 15,499.72

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Solution

The fourth proportional to 26,254.36, 36,231.06 and 15,499.72 is: 21,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,254.36 : 36,231.06 = 15,499.72 : x
  2. Step 2: Convert to fraction form
    26,254.36/36,231.06 = 15,499.72/x
  3. Step 3: Cross multiply
    26,254.36x = 36,231.06 × 15,499.72
  4. Step 4: Simplify right side
    26,254.36x = 561,571,285.30
  5. Step 5: Solve for x
    x = 561,571,285.30/26,254.36
  6. Step 6: Final answer
    x = 21,389.64

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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.