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Finding the Fourth Proportional to 18,007.84, 24,874.80 and 14,484.32

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Solution

The fourth proportional to 18,007.84, 24,874.80 and 14,484.32 is: 20,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.84 : 24,874.80 = 14,484.32 : x
  2. Step 2: Convert to fraction form
    18,007.84/24,874.80 = 14,484.32/x
  3. Step 3: Cross multiply
    18,007.84x = 24,874.80 × 14,484.32
  4. Step 4: Simplify right side
    18,007.84x = 360,294,563.14
  5. Step 5: Solve for x
    x = 360,294,563.14/18,007.84
  6. Step 6: Final answer
    x = 20,007.65

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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.