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Finding the Fourth Proportional to 19,462.60, 26,853.51 and 10,963

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Solution

The fourth proportional to 19,462.60, 26,853.51 and 10,963 is: 15,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.60 : 26,853.51 = 10,963 : x
  2. Step 2: Convert to fraction form
    19,462.60/26,853.51 = 10,963/x
  3. Step 3: Cross multiply
    19,462.60x = 26,853.51 × 10,963
  4. Step 4: Simplify right side
    19,462.60x = 294,395,030.13
  5. Step 5: Solve for x
    x = 294,395,030.13/19,462.60
  6. Step 6: Final answer
    x = 15,126.19

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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.