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Finding the Fourth Proportional to 14,173.54, 19,549.53 and 12,281.77

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Solution

The fourth proportional to 14,173.54, 19,549.53 and 12,281.77 is: 16,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.54 : 19,549.53 = 12,281.77 : x
  2. Step 2: Convert to fraction form
    14,173.54/19,549.53 = 12,281.77/x
  3. Step 3: Cross multiply
    14,173.54x = 19,549.53 × 12,281.77
  4. Step 4: Simplify right side
    14,173.54x = 240,102,831.07
  5. Step 5: Solve for x
    x = 240,102,831.07/14,173.54
  6. Step 6: Final answer
    x = 16,940.22

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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.