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Finding the Fourth Proportional to 14,551.84, 20,087.76 and 10,090.36

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Solution

The fourth proportional to 14,551.84, 20,087.76 and 10,090.36 is: 13,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.84 : 20,087.76 = 10,090.36 : x
  2. Step 2: Convert to fraction form
    14,551.84/20,087.76 = 10,090.36/x
  3. Step 3: Cross multiply
    14,551.84x = 20,087.76 × 10,090.36
  4. Step 4: Simplify right side
    14,551.84x = 202,692,729.99
  5. Step 5: Solve for x
    x = 202,692,729.99/14,551.84
  6. Step 6: Final answer
    x = 13,929.01

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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.