Home / 13,435.24-18,541.42-7,467.56

Finding the Fourth Proportional to 13,435.24, 18,541.42 and 7,467.56

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Solution

The fourth proportional to 13,435.24, 18,541.42 and 7,467.56 is: 10,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.24 : 18,541.42 = 7,467.56 : x
  2. Step 2: Convert to fraction form
    13,435.24/18,541.42 = 7,467.56/x
  3. Step 3: Cross multiply
    13,435.24x = 18,541.42 × 7,467.56
  4. Step 4: Simplify right side
    13,435.24x = 138,459,166.34
  5. Step 5: Solve for x
    x = 138,459,166.34/13,435.24
  6. Step 6: Final answer
    x = 10,305.67

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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.