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Finding the Fourth Proportional to 15,951.94, 22,012.74 and 9,237.10

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Solution

The fourth proportional to 15,951.94, 22,012.74 and 9,237.10 is: 12,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.94 : 22,012.74 = 9,237.10 : x
  2. Step 2: Convert to fraction form
    15,951.94/22,012.74 = 9,237.10/x
  3. Step 3: Cross multiply
    15,951.94x = 22,012.74 × 9,237.10
  4. Step 4: Simplify right side
    15,951.94x = 203,333,880.65
  5. Step 5: Solve for x
    x = 203,333,880.65/15,951.94
  6. Step 6: Final answer
    x = 12,746.66

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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.