Home / 18,854.14-26,040.58-12,555.58

Finding the Fourth Proportional to 18,854.14, 26,040.58 and 12,555.58

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Solution

The fourth proportional to 18,854.14, 26,040.58 and 12,555.58 is: 17,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.14 : 26,040.58 = 12,555.58 : x
  2. Step 2: Convert to fraction form
    18,854.14/26,040.58 = 12,555.58/x
  3. Step 3: Cross multiply
    18,854.14x = 26,040.58 × 12,555.58
  4. Step 4: Simplify right side
    18,854.14x = 326,954,585.44
  5. Step 5: Solve for x
    x = 326,954,585.44/18,854.14
  6. Step 6: Final answer
    x = 17,341.26

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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.