Home / 13,790.44-19,030.72-7,502.84

Finding the Fourth Proportional to 13,790.44, 19,030.72 and 7,502.84

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Solution

The fourth proportional to 13,790.44, 19,030.72 and 7,502.84 is: 10,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.44 : 19,030.72 = 7,502.84 : x
  2. Step 2: Convert to fraction form
    13,790.44/19,030.72 = 7,502.84/x
  3. Step 3: Cross multiply
    13,790.44x = 19,030.72 × 7,502.84
  4. Step 4: Simplify right side
    13,790.44x = 142,784,447.24
  5. Step 5: Solve for x
    x = 142,784,447.24/13,790.44
  6. Step 6: Final answer
    x = 10,353.87

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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.