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Finding the Fourth Proportional to 16,503.84, 24,762.24 and 15,143.04

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Solution

The fourth proportional to 16,503.84, 24,762.24 and 15,143.04 is: 22,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.84 : 24,762.24 = 15,143.04 : x
  2. Step 2: Convert to fraction form
    16,503.84/24,762.24 = 15,143.04/x
  3. Step 3: Cross multiply
    16,503.84x = 24,762.24 × 15,143.04
  4. Step 4: Simplify right side
    16,503.84x = 374,975,590.81
  5. Step 5: Solve for x
    x = 374,975,590.81/16,503.84
  6. Step 6: Final answer
    x = 22,720.51

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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.