Home / 14,736.81-20,330.79-9,069.85

Finding the Fourth Proportional to 14,736.81, 20,330.79 and 9,069.85

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Solution

The fourth proportional to 14,736.81, 20,330.79 and 9,069.85 is: 12,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.81 : 20,330.79 = 9,069.85 : x
  2. Step 2: Convert to fraction form
    14,736.81/20,330.79 = 9,069.85/x
  3. Step 3: Cross multiply
    14,736.81x = 20,330.79 × 9,069.85
  4. Step 4: Simplify right side
    14,736.81x = 184,397,130.84
  5. Step 5: Solve for x
    x = 184,397,130.84/14,736.81
  6. Step 6: Final answer
    x = 12,512.69

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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.