Home / 19,351.37-26,700.22-12,275.21

Finding the Fourth Proportional to 19,351.37, 26,700.22 and 12,275.21

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Solution

The fourth proportional to 19,351.37, 26,700.22 and 12,275.21 is: 16,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.37 : 26,700.22 = 12,275.21 : x
  2. Step 2: Convert to fraction form
    19,351.37/26,700.22 = 12,275.21/x
  3. Step 3: Cross multiply
    19,351.37x = 26,700.22 × 12,275.21
  4. Step 4: Simplify right side
    19,351.37x = 327,750,807.55
  5. Step 5: Solve for x
    x = 327,750,807.55/19,351.37
  6. Step 6: Final answer
    x = 16,936.83

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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.