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Finding the Fourth Proportional to 15,886.94, 23,835.60 and 11,440.94

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Solution

The fourth proportional to 15,886.94, 23,835.60 and 11,440.94 is: 17,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.94 : 23,835.60 = 11,440.94 : x
  2. Step 2: Convert to fraction form
    15,886.94/23,835.60 = 11,440.94/x
  3. Step 3: Cross multiply
    15,886.94x = 23,835.60 × 11,440.94
  4. Step 4: Simplify right side
    15,886.94x = 272,701,550.29
  5. Step 5: Solve for x
    x = 272,701,550.29/15,886.94
  6. Step 6: Final answer
    x = 17,165.15

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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.