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Finding the Fourth Proportional to 14,340.00, 19,740.07 and 12,440.41

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Solution

The fourth proportional to 14,340.00, 19,740.07 and 12,440.41 is: 17,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.00 : 19,740.07 = 12,440.41 : x
  2. Step 2: Convert to fraction form
    14,340.00/19,740.07 = 12,440.41/x
  3. Step 3: Cross multiply
    14,340.00x = 19,740.07 × 12,440.41
  4. Step 4: Simplify right side
    14,340.00x = 245,574,530.43
  5. Step 5: Solve for x
    x = 245,574,530.43/14,340.00
  6. Step 6: Final answer
    x = 17,125.14

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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.