Home / 13,022.30-17,970.75-7,053.99

Finding the Fourth Proportional to 13,022.30, 17,970.75 and 7,053.99

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Solution

The fourth proportional to 13,022.30, 17,970.75 and 7,053.99 is: 9,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.30 : 17,970.75 = 7,053.99 : x
  2. Step 2: Convert to fraction form
    13,022.30/17,970.75 = 7,053.99/x
  3. Step 3: Cross multiply
    13,022.30x = 17,970.75 × 7,053.99
  4. Step 4: Simplify right side
    13,022.30x = 126,765,519.06
  5. Step 5: Solve for x
    x = 126,765,519.06/13,022.30
  6. Step 6: Final answer
    x = 9,734.50

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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.