Home / 13,786.23-19,025.01-7,817.93

Finding the Fourth Proportional to 13,786.23, 19,025.01 and 7,817.93

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Solution

The fourth proportional to 13,786.23, 19,025.01 and 7,817.93 is: 10,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.23 : 19,025.01 = 7,817.93 : x
  2. Step 2: Convert to fraction form
    13,786.23/19,025.01 = 7,817.93/x
  3. Step 3: Cross multiply
    13,786.23x = 19,025.01 × 7,817.93
  4. Step 4: Simplify right side
    13,786.23x = 148,736,101.30
  5. Step 5: Solve for x
    x = 148,736,101.30/13,786.23
  6. Step 6: Final answer
    x = 10,788.74

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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.