Home / 30,626.93-45,878.88-13,964.04

Finding the Fourth Proportional to 30,626.93, 45,878.88 and 13,964.04

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Solution

The fourth proportional to 30,626.93, 45,878.88 and 13,964.04 is: 20,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.93 : 45,878.88 = 13,964.04 : x
  2. Step 2: Convert to fraction form
    30,626.93/45,878.88 = 13,964.04/x
  3. Step 3: Cross multiply
    30,626.93x = 45,878.88 × 13,964.04
  4. Step 4: Simplify right side
    30,626.93x = 640,654,400.78
  5. Step 5: Solve for x
    x = 640,654,400.78/30,626.93
  6. Step 6: Final answer
    x = 20,918.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.