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Finding the Fourth Proportional to 19,322.88, 26,665.92 and 10,941.12

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Solution

The fourth proportional to 19,322.88, 26,665.92 and 10,941.12 is: 15,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.88 : 26,665.92 = 10,941.12 : x
  2. Step 2: Convert to fraction form
    19,322.88/26,665.92 = 10,941.12/x
  3. Step 3: Cross multiply
    19,322.88x = 26,665.92 × 10,941.12
  4. Step 4: Simplify right side
    19,322.88x = 291,755,030.63
  5. Step 5: Solve for x
    x = 291,755,030.63/19,322.88
  6. Step 6: Final answer
    x = 15,098.94

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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.