Home / 13,598.24-18,765.86-7,630.34

Finding the Fourth Proportional to 13,598.24, 18,765.86 and 7,630.34

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Solution

The fourth proportional to 13,598.24, 18,765.86 and 7,630.34 is: 10,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.24 : 18,765.86 = 7,630.34 : x
  2. Step 2: Convert to fraction form
    13,598.24/18,765.86 = 7,630.34/x
  3. Step 3: Cross multiply
    13,598.24x = 18,765.86 × 7,630.34
  4. Step 4: Simplify right side
    13,598.24x = 143,189,760.21
  5. Step 5: Solve for x
    x = 143,189,760.21/13,598.24
  6. Step 6: Final answer
    x = 10,530.03

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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.