Home / 19,214.04-26,508.24-12,930.60

Finding the Fourth Proportional to 19,214.04, 26,508.24 and 12,930.60

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Solution

The fourth proportional to 19,214.04, 26,508.24 and 12,930.60 is: 17,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.04 : 26,508.24 = 12,930.60 : x
  2. Step 2: Convert to fraction form
    19,214.04/26,508.24 = 12,930.60/x
  3. Step 3: Cross multiply
    19,214.04x = 26,508.24 × 12,930.60
  4. Step 4: Simplify right side
    19,214.04x = 342,767,448.14
  5. Step 5: Solve for x
    x = 342,767,448.14/19,214.04
  6. Step 6: Final answer
    x = 17,839.43

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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.