Home / 13,270.92-18,313.74-7,302.84

Finding the Fourth Proportional to 13,270.92, 18,313.74 and 7,302.84

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Solution

The fourth proportional to 13,270.92, 18,313.74 and 7,302.84 is: 10,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.92 : 18,313.74 = 7,302.84 : x
  2. Step 2: Convert to fraction form
    13,270.92/18,313.74 = 7,302.84/x
  3. Step 3: Cross multiply
    13,270.92x = 18,313.74 × 7,302.84
  4. Step 4: Simplify right side
    13,270.92x = 133,742,313.02
  5. Step 5: Solve for x
    x = 133,742,313.02/13,270.92
  6. Step 6: Final answer
    x = 10,077.85

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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.