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Finding the Fourth Proportional to 14,162.88, 19,548 and 9,186.24

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Solution

The fourth proportional to 14,162.88, 19,548 and 9,186.24 is: 12,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.88 : 19,548 = 9,186.24 : x
  2. Step 2: Convert to fraction form
    14,162.88/19,548 = 9,186.24/x
  3. Step 3: Cross multiply
    14,162.88x = 19,548 × 9,186.24
  4. Step 4: Simplify right side
    14,162.88x = 179,572,619.52
  5. Step 5: Solve for x
    x = 179,572,619.52/14,162.88
  6. Step 6: Final answer
    x = 12,679.10

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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.