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Finding the Fourth Proportional to 15,951.36, 22,007.93 and 9,051.40

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Solution

The fourth proportional to 15,951.36, 22,007.93 and 9,051.40 is: 12,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.36 : 22,007.93 = 9,051.40 : x
  2. Step 2: Convert to fraction form
    15,951.36/22,007.93 = 9,051.40/x
  3. Step 3: Cross multiply
    15,951.36x = 22,007.93 × 9,051.40
  4. Step 4: Simplify right side
    15,951.36x = 199,202,577.60
  5. Step 5: Solve for x
    x = 199,202,577.60/15,951.36
  6. Step 6: Final answer
    x = 12,488.13

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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.