Home / 15,965.66-22,026.21-9,913.07

Finding the Fourth Proportional to 15,965.66, 22,026.21 and 9,913.07

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Solution

The fourth proportional to 15,965.66, 22,026.21 and 9,913.07 is: 13,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.66 : 22,026.21 = 9,913.07 : x
  2. Step 2: Convert to fraction form
    15,965.66/22,026.21 = 9,913.07/x
  3. Step 3: Cross multiply
    15,965.66x = 22,026.21 × 9,913.07
  4. Step 4: Simplify right side
    15,965.66x = 218,347,361.56
  5. Step 5: Solve for x
    x = 218,347,361.56/15,965.66
  6. Step 6: Final answer
    x = 13,676.06

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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.