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Finding the Fourth Proportional to 18,374.84, 25,362.99 and 14,604.69

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Solution

The fourth proportional to 18,374.84, 25,362.99 and 14,604.69 is: 20,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.84 : 25,362.99 = 14,604.69 : x
  2. Step 2: Convert to fraction form
    18,374.84/25,362.99 = 14,604.69/x
  3. Step 3: Cross multiply
    18,374.84x = 25,362.99 × 14,604.69
  4. Step 4: Simplify right side
    18,374.84x = 370,418,606.42
  5. Step 5: Solve for x
    x = 370,418,606.42/18,374.84
  6. Step 6: Final answer
    x = 20,159.01

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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.