Home / 19,833.53-27,370.74-12,281.09

Finding the Fourth Proportional to 19,833.53, 27,370.74 and 12,281.09

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Solution

The fourth proportional to 19,833.53, 27,370.74 and 12,281.09 is: 16,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.53 : 27,370.74 = 12,281.09 : x
  2. Step 2: Convert to fraction form
    19,833.53/27,370.74 = 12,281.09/x
  3. Step 3: Cross multiply
    19,833.53x = 27,370.74 × 12,281.09
  4. Step 4: Simplify right side
    19,833.53x = 336,142,521.31
  5. Step 5: Solve for x
    x = 336,142,521.31/19,833.53
  6. Step 6: Final answer
    x = 16,948.19

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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.