Home / 14,735.49-20,336.31-9,071.70

Finding the Fourth Proportional to 14,735.49, 20,336.31 and 9,071.70

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Solution

The fourth proportional to 14,735.49, 20,336.31 and 9,071.70 is: 12,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.49 : 20,336.31 = 9,071.70 : x
  2. Step 2: Convert to fraction form
    14,735.49/20,336.31 = 9,071.70/x
  3. Step 3: Cross multiply
    14,735.49x = 20,336.31 × 9,071.70
  4. Step 4: Simplify right side
    14,735.49x = 184,484,903.43
  5. Step 5: Solve for x
    x = 184,484,903.43/14,735.49
  6. Step 6: Final answer
    x = 12,519.77

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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.