Home / 13,833.42-19,090.20-7,867.08

Finding the Fourth Proportional to 13,833.42, 19,090.20 and 7,867.08

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Solution

The fourth proportional to 13,833.42, 19,090.20 and 7,867.08 is: 10,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.42 : 19,090.20 = 7,867.08 : x
  2. Step 2: Convert to fraction form
    13,833.42/19,090.20 = 7,867.08/x
  3. Step 3: Cross multiply
    13,833.42x = 19,090.20 × 7,867.08
  4. Step 4: Simplify right side
    13,833.42x = 150,184,130.62
  5. Step 5: Solve for x
    x = 150,184,130.62/13,833.42
  6. Step 6: Final answer
    x = 10,856.62

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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.