Home / 13,984.32-19,297.20-7,934.16

Finding the Fourth Proportional to 13,984.32, 19,297.20 and 7,934.16

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Solution

The fourth proportional to 13,984.32, 19,297.20 and 7,934.16 is: 10,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.32 : 19,297.20 = 7,934.16 : x
  2. Step 2: Convert to fraction form
    13,984.32/19,297.20 = 7,934.16/x
  3. Step 3: Cross multiply
    13,984.32x = 19,297.20 × 7,934.16
  4. Step 4: Simplify right side
    13,984.32x = 153,107,072.35
  5. Step 5: Solve for x
    x = 153,107,072.35/13,984.32
  6. Step 6: Final answer
    x = 10,948.48

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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.