Home / 13,873.90-19,146.01-7,586.68

Finding the Fourth Proportional to 13,873.90, 19,146.01 and 7,586.68

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Solution

The fourth proportional to 13,873.90, 19,146.01 and 7,586.68 is: 10,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.90 : 19,146.01 = 7,586.68 : x
  2. Step 2: Convert to fraction form
    13,873.90/19,146.01 = 7,586.68/x
  3. Step 3: Cross multiply
    13,873.90x = 19,146.01 × 7,586.68
  4. Step 4: Simplify right side
    13,873.90x = 145,254,651.15
  5. Step 5: Solve for x
    x = 145,254,651.15/13,873.90
  6. Step 6: Final answer
    x = 10,469.63

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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.