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Finding the Fourth Proportional to 15,957.76, 23,903.70 and 9,364.12

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Solution

The fourth proportional to 15,957.76, 23,903.70 and 9,364.12 is: 14,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.76 : 23,903.70 = 9,364.12 : x
  2. Step 2: Convert to fraction form
    15,957.76/23,903.70 = 9,364.12/x
  3. Step 3: Cross multiply
    15,957.76x = 23,903.70 × 9,364.12
  4. Step 4: Simplify right side
    15,957.76x = 223,837,115.24
  5. Step 5: Solve for x
    x = 223,837,115.24/15,957.76
  6. Step 6: Final answer
    x = 14,026.85

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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.