Home / 19,460.17-26,833.80-13,161.61

Finding the Fourth Proportional to 19,460.17, 26,833.80 and 13,161.61

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Solution

The fourth proportional to 19,460.17, 26,833.80 and 13,161.61 is: 18,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.17 : 26,833.80 = 13,161.61 : x
  2. Step 2: Convert to fraction form
    19,460.17/26,833.80 = 13,161.61/x
  3. Step 3: Cross multiply
    19,460.17x = 26,833.80 × 13,161.61
  4. Step 4: Simplify right side
    19,460.17x = 353,176,010.42
  5. Step 5: Solve for x
    x = 353,176,010.42/19,460.17
  6. Step 6: Final answer
    x = 18,148.66

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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.