Home / 19,303.88-26,655.98-12,145.73

Finding the Fourth Proportional to 19,303.88, 26,655.98 and 12,145.73

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Solution

The fourth proportional to 19,303.88, 26,655.98 and 12,145.73 is: 16,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.88 : 26,655.98 = 12,145.73 : x
  2. Step 2: Convert to fraction form
    19,303.88/26,655.98 = 12,145.73/x
  3. Step 3: Cross multiply
    19,303.88x = 26,655.98 × 12,145.73
  4. Step 4: Simplify right side
    19,303.88x = 323,756,335.97
  5. Step 5: Solve for x
    x = 323,756,335.97/19,303.88
  6. Step 6: Final answer
    x = 16,771.57

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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.