Home / 19,297.18-28,943.80-13,097.04

Finding the Fourth Proportional to 19,297.18, 28,943.80 and 13,097.04

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Solution

The fourth proportional to 19,297.18, 28,943.80 and 13,097.04 is: 19,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.18 : 28,943.80 = 13,097.04 : x
  2. Step 2: Convert to fraction form
    19,297.18/28,943.80 = 13,097.04/x
  3. Step 3: Cross multiply
    19,297.18x = 28,943.80 × 13,097.04
  4. Step 4: Simplify right side
    19,297.18x = 379,078,106.35
  5. Step 5: Solve for x
    x = 379,078,106.35/19,297.18
  6. Step 6: Final answer
    x = 19,644.22

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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.