Home / 18,410.56-25,408.86-10,455.34

Finding the Fourth Proportional to 18,410.56, 25,408.86 and 10,455.34

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Solution

The fourth proportional to 18,410.56, 25,408.86 and 10,455.34 is: 14,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.56 : 25,408.86 = 10,455.34 : x
  2. Step 2: Convert to fraction form
    18,410.56/25,408.86 = 10,455.34/x
  3. Step 3: Cross multiply
    18,410.56x = 25,408.86 × 10,455.34
  4. Step 4: Simplify right side
    18,410.56x = 265,658,270.31
  5. Step 5: Solve for x
    x = 265,658,270.31/18,410.56
  6. Step 6: Final answer
    x = 14,429.67

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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.