Home / 18,853.14-26,039.20-12,554.58

Finding the Fourth Proportional to 18,853.14, 26,039.20 and 12,554.58

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Solution

The fourth proportional to 18,853.14, 26,039.20 and 12,554.58 is: 17,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.14 : 26,039.20 = 12,554.58 : x
  2. Step 2: Convert to fraction form
    18,853.14/26,039.20 = 12,554.58/x
  3. Step 3: Cross multiply
    18,853.14x = 26,039.20 × 12,554.58
  4. Step 4: Simplify right side
    18,853.14x = 326,911,219.54
  5. Step 5: Solve for x
    x = 326,911,219.54/18,853.14
  6. Step 6: Final answer
    x = 17,339.88

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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.