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Finding the Fourth Proportional to 25,095, 34,631.16 and 13,919.16

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Solution

The fourth proportional to 25,095, 34,631.16 and 13,919.16 is: 19,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,095 : 34,631.16 = 13,919.16 : x
  2. Step 2: Convert to fraction form
    25,095/34,631.16 = 13,919.16/x
  3. Step 3: Cross multiply
    25,095x = 34,631.16 × 13,919.16
  4. Step 4: Simplify right side
    25,095x = 482,036,657.03
  5. Step 5: Solve for x
    x = 482,036,657.03/25,095
  6. Step 6: Final answer
    x = 19,208.47

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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.