Home / 22,448.56-30,980.70-13,017.04

Finding the Fourth Proportional to 22,448.56, 30,980.70 and 13,017.04

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Solution

The fourth proportional to 22,448.56, 30,980.70 and 13,017.04 is: 17,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.56 : 30,980.70 = 13,017.04 : x
  2. Step 2: Convert to fraction form
    22,448.56/30,980.70 = 13,017.04/x
  3. Step 3: Cross multiply
    22,448.56x = 30,980.70 × 13,017.04
  4. Step 4: Simplify right side
    22,448.56x = 403,277,011.13
  5. Step 5: Solve for x
    x = 403,277,011.13/22,448.56
  6. Step 6: Final answer
    x = 17,964.49

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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.