Home / 17,520.84-24,137.28-12,206.16

Finding the Fourth Proportional to 17,520.84, 24,137.28 and 12,206.16

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Solution

The fourth proportional to 17,520.84, 24,137.28 and 12,206.16 is: 16,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.84 : 24,137.28 = 12,206.16 : x
  2. Step 2: Convert to fraction form
    17,520.84/24,137.28 = 12,206.16/x
  3. Step 3: Cross multiply
    17,520.84x = 24,137.28 × 12,206.16
  4. Step 4: Simplify right side
    17,520.84x = 294,623,501.64
  5. Step 5: Solve for x
    x = 294,623,501.64/17,520.84
  6. Step 6: Final answer
    x = 16,815.60

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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.