Home / 13,022.28-17,970.66-7,053.81

Finding the Fourth Proportional to 13,022.28, 17,970.66 and 7,053.81

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Solution

The fourth proportional to 13,022.28, 17,970.66 and 7,053.81 is: 9,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.28 : 17,970.66 = 7,053.81 : x
  2. Step 2: Convert to fraction form
    13,022.28/17,970.66 = 7,053.81/x
  3. Step 3: Cross multiply
    13,022.28x = 17,970.66 × 7,053.81
  4. Step 4: Simplify right side
    13,022.28x = 126,761,621.21
  5. Step 5: Solve for x
    x = 126,761,621.21/13,022.28
  6. Step 6: Final answer
    x = 9,734.21

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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.