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Finding the Fourth Proportional to 19,483.53, 26,904.52 and 12,326.57

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Solution

The fourth proportional to 19,483.53, 26,904.52 and 12,326.57 is: 17,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.53 : 26,904.52 = 12,326.57 : x
  2. Step 2: Convert to fraction form
    19,483.53/26,904.52 = 12,326.57/x
  3. Step 3: Cross multiply
    19,483.53x = 26,904.52 × 12,326.57
  4. Step 4: Simplify right side
    19,483.53x = 331,640,449.10
  5. Step 5: Solve for x
    x = 331,640,449.10/19,483.53
  6. Step 6: Final answer
    x = 17,021.58

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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.