Home / 19,548.32-26,988.24-12,845.68

Finding the Fourth Proportional to 19,548.32, 26,988.24 and 12,845.68

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Solution

The fourth proportional to 19,548.32, 26,988.24 and 12,845.68 is: 17,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.32 : 26,988.24 = 12,845.68 : x
  2. Step 2: Convert to fraction form
    19,548.32/26,988.24 = 12,845.68/x
  3. Step 3: Cross multiply
    19,548.32x = 26,988.24 × 12,845.68
  4. Step 4: Simplify right side
    19,548.32x = 346,682,294.80
  5. Step 5: Solve for x
    x = 346,682,294.80/19,548.32
  6. Step 6: Final answer
    x = 17,734.63

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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.