Home / 13,022.40-17,970.68-7,054.04

Finding the Fourth Proportional to 13,022.40, 17,970.68 and 7,054.04

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Solution

The fourth proportional to 13,022.40, 17,970.68 and 7,054.04 is: 9,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.40 : 17,970.68 = 7,054.04 : x
  2. Step 2: Convert to fraction form
    13,022.40/17,970.68 = 7,054.04/x
  3. Step 3: Cross multiply
    13,022.40x = 17,970.68 × 7,054.04
  4. Step 4: Simplify right side
    13,022.40x = 126,765,895.55
  5. Step 5: Solve for x
    x = 126,765,895.55/13,022.40
  6. Step 6: Final answer
    x = 9,734.45

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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.