Home / 18,870.84-26,017.74-11,794.68

Finding the Fourth Proportional to 18,870.84, 26,017.74 and 11,794.68

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Solution

The fourth proportional to 18,870.84, 26,017.74 and 11,794.68 is: 16,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.84 : 26,017.74 = 11,794.68 : x
  2. Step 2: Convert to fraction form
    18,870.84/26,017.74 = 11,794.68/x
  3. Step 3: Cross multiply
    18,870.84x = 26,017.74 × 11,794.68
  4. Step 4: Simplify right side
    18,870.84x = 306,870,917.62
  5. Step 5: Solve for x
    x = 306,870,917.62/18,870.84
  6. Step 6: Final answer
    x = 16,261.65

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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.