Home / 13,023.45-17,972.28-7,055.12

Finding the Fourth Proportional to 13,023.45, 17,972.28 and 7,055.12

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Solution

The fourth proportional to 13,023.45, 17,972.28 and 7,055.12 is: 9,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.45 : 17,972.28 = 7,055.12 : x
  2. Step 2: Convert to fraction form
    13,023.45/17,972.28 = 7,055.12/x
  3. Step 3: Cross multiply
    13,023.45x = 17,972.28 × 7,055.12
  4. Step 4: Simplify right side
    13,023.45x = 126,796,637.00
  5. Step 5: Solve for x
    x = 126,796,637.00/13,023.45
  6. Step 6: Final answer
    x = 9,736.03

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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.