Home / 13,372.07-20,077.81-7,460.50

Finding the Fourth Proportional to 13,372.07, 20,077.81 and 7,460.50

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Solution

The fourth proportional to 13,372.07, 20,077.81 and 7,460.50 is: 11,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.07 : 20,077.81 = 7,460.50 : x
  2. Step 2: Convert to fraction form
    13,372.07/20,077.81 = 7,460.50/x
  3. Step 3: Cross multiply
    13,372.07x = 20,077.81 × 7,460.50
  4. Step 4: Simplify right side
    13,372.07x = 149,790,501.51
  5. Step 5: Solve for x
    x = 149,790,501.51/13,372.07
  6. Step 6: Final answer
    x = 11,201.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.