Home / 13,847.81-19,109.26-7,558.97

Finding the Fourth Proportional to 13,847.81, 19,109.26 and 7,558.97

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Solution

The fourth proportional to 13,847.81, 19,109.26 and 7,558.97 is: 10,430.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.81 : 19,109.26 = 7,558.97 : x
  2. Step 2: Convert to fraction form
    13,847.81/19,109.26 = 7,558.97/x
  3. Step 3: Cross multiply
    13,847.81x = 19,109.26 × 7,558.97
  4. Step 4: Simplify right side
    13,847.81x = 144,446,323.06
  5. Step 5: Solve for x
    x = 144,446,323.06/13,847.81
  6. Step 6: Final answer
    x = 10,430.99

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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.