Home / 19,407.59-26,782.11-12,236.05

Finding the Fourth Proportional to 19,407.59, 26,782.11 and 12,236.05

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Solution

The fourth proportional to 19,407.59, 26,782.11 and 12,236.05 is: 16,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.59 : 26,782.11 = 12,236.05 : x
  2. Step 2: Convert to fraction form
    19,407.59/26,782.11 = 12,236.05/x
  3. Step 3: Cross multiply
    19,407.59x = 26,782.11 × 12,236.05
  4. Step 4: Simplify right side
    19,407.59x = 327,707,175.89
  5. Step 5: Solve for x
    x = 327,707,175.89/19,407.59
  6. Step 6: Final answer
    x = 16,885.52

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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.