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Finding the Fourth Proportional to 14,998.40, 22,497.60 and 13,313.60

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Solution

The fourth proportional to 14,998.40, 22,497.60 and 13,313.60 is: 19,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.40 : 22,497.60 = 13,313.60 : x
  2. Step 2: Convert to fraction form
    14,998.40/22,497.60 = 13,313.60/x
  3. Step 3: Cross multiply
    14,998.40x = 22,497.60 × 13,313.60
  4. Step 4: Simplify right side
    14,998.40x = 299,524,047.36
  5. Step 5: Solve for x
    x = 299,524,047.36/14,998.40
  6. Step 6: Final answer
    x = 19,970.40

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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.