Home / 14,736.49-20,337.69-9,072.70

Finding the Fourth Proportional to 14,736.49, 20,337.69 and 9,072.70

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Solution

The fourth proportional to 14,736.49, 20,337.69 and 9,072.70 is: 12,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.49 : 20,337.69 = 9,072.70 : x
  2. Step 2: Convert to fraction form
    14,736.49/20,337.69 = 9,072.70/x
  3. Step 3: Cross multiply
    14,736.49x = 20,337.69 × 9,072.70
  4. Step 4: Simplify right side
    14,736.49x = 184,517,760.06
  5. Step 5: Solve for x
    x = 184,517,760.06/14,736.49
  6. Step 6: Final answer
    x = 12,521.15

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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.