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Finding the Fourth Proportional to 15,365.67, 23,014.78 and 12,702.99

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Solution

The fourth proportional to 15,365.67, 23,014.78 and 12,702.99 is: 19,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.67 : 23,014.78 = 12,702.99 : x
  2. Step 2: Convert to fraction form
    15,365.67/23,014.78 = 12,702.99/x
  3. Step 3: Cross multiply
    15,365.67x = 23,014.78 × 12,702.99
  4. Step 4: Simplify right side
    15,365.67x = 292,356,622.38
  5. Step 5: Solve for x
    x = 292,356,622.38/15,365.67
  6. Step 6: Final answer
    x = 19,026.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.