Home / 13,023.28-17,972.04-7,054.81

Finding the Fourth Proportional to 13,023.28, 17,972.04 and 7,054.81

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Solution

The fourth proportional to 13,023.28, 17,972.04 and 7,054.81 is: 9,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.28 : 17,972.04 = 7,054.81 : x
  2. Step 2: Convert to fraction form
    13,023.28/17,972.04 = 7,054.81/x
  3. Step 3: Cross multiply
    13,023.28x = 17,972.04 × 7,054.81
  4. Step 4: Simplify right side
    13,023.28x = 126,789,327.51
  5. Step 5: Solve for x
    x = 126,789,327.51/13,023.28
  6. Step 6: Final answer
    x = 9,735.59

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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.