Home / 13,031.06-19,546.58-7,113.86

Finding the Fourth Proportional to 13,031.06, 19,546.58 and 7,113.86

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Solution

The fourth proportional to 13,031.06, 19,546.58 and 7,113.86 is: 10,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.06 : 19,546.58 = 7,113.86 : x
  2. Step 2: Convert to fraction form
    13,031.06/19,546.58 = 7,113.86/x
  3. Step 3: Cross multiply
    13,031.06x = 19,546.58 × 7,113.86
  4. Step 4: Simplify right side
    13,031.06x = 139,051,633.60
  5. Step 5: Solve for x
    x = 139,051,633.60/13,031.06
  6. Step 6: Final answer
    x = 10,670.78

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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.