Home / 13,790.04-20,648.34-9,416.04

Finding the Fourth Proportional to 13,790.04, 20,648.34 and 9,416.04

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Solution

The fourth proportional to 13,790.04, 20,648.34 and 9,416.04 is: 14,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.04 : 20,648.34 = 9,416.04 : x
  2. Step 2: Convert to fraction form
    13,790.04/20,648.34 = 9,416.04/x
  3. Step 3: Cross multiply
    13,790.04x = 20,648.34 × 9,416.04
  4. Step 4: Simplify right side
    13,790.04x = 194,425,595.37
  5. Step 5: Solve for x
    x = 194,425,595.37/13,790.04
  6. Step 6: Final answer
    x = 14,098.99

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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.