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Finding the Fourth Proportional to 14,865.74, 22,302.32 and 10,491.74

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Solution

The fourth proportional to 14,865.74, 22,302.32 and 10,491.74 is: 15,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.74 : 22,302.32 = 10,491.74 : x
  2. Step 2: Convert to fraction form
    14,865.74/22,302.32 = 10,491.74/x
  3. Step 3: Cross multiply
    14,865.74x = 22,302.32 × 10,491.74
  4. Step 4: Simplify right side
    14,865.74x = 233,990,018.21
  5. Step 5: Solve for x
    x = 233,990,018.21/14,865.74
  6. Step 6: Final answer
    x = 15,740.23

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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.