Home / 26,315.30-36,315.06-15,704.93

Finding the Fourth Proportional to 26,315.30, 36,315.06 and 15,704.93

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Solution

The fourth proportional to 26,315.30, 36,315.06 and 15,704.93 is: 21,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.30 : 36,315.06 = 15,704.93 : x
  2. Step 2: Convert to fraction form
    26,315.30/36,315.06 = 15,704.93/x
  3. Step 3: Cross multiply
    26,315.30x = 36,315.06 × 15,704.93
  4. Step 4: Simplify right side
    26,315.30x = 570,325,475.25
  5. Step 5: Solve for x
    x = 570,325,475.25/26,315.30
  6. Step 6: Final answer
    x = 21,672.77

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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.