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Finding the Fourth Proportional to 19,060, 26,314.32 and 12,447.52

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Solution

The fourth proportional to 19,060, 26,314.32 and 12,447.52 is: 17,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060 : 26,314.32 = 12,447.52 : x
  2. Step 2: Convert to fraction form
    19,060/26,314.32 = 12,447.52/x
  3. Step 3: Cross multiply
    19,060x = 26,314.32 × 12,447.52
  4. Step 4: Simplify right side
    19,060x = 327,548,024.49
  5. Step 5: Solve for x
    x = 327,548,024.49/19,060
  6. Step 6: Final answer
    x = 17,185.10

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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.