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Finding the Fourth Proportional to 13,886.10, 19,163.08 and 7,598.88

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Solution

The fourth proportional to 13,886.10, 19,163.08 and 7,598.88 is: 10,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.10 : 19,163.08 = 7,598.88 : x
  2. Step 2: Convert to fraction form
    13,886.10/19,163.08 = 7,598.88/x
  3. Step 3: Cross multiply
    13,886.10x = 19,163.08 × 7,598.88
  4. Step 4: Simplify right side
    13,886.10x = 145,617,945.35
  5. Step 5: Solve for x
    x = 145,617,945.35/13,886.10
  6. Step 6: Final answer
    x = 10,486.60

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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.