Home / 19,194.10-26,477.74-13,215.39

Finding the Fourth Proportional to 19,194.10, 26,477.74 and 13,215.39

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Solution

The fourth proportional to 19,194.10, 26,477.74 and 13,215.39 is: 18,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.10 : 26,477.74 = 13,215.39 : x
  2. Step 2: Convert to fraction form
    19,194.10/26,477.74 = 13,215.39/x
  3. Step 3: Cross multiply
    19,194.10x = 26,477.74 × 13,215.39
  4. Step 4: Simplify right side
    19,194.10x = 349,913,503.31
  5. Step 5: Solve for x
    x = 349,913,503.31/19,194.10
  6. Step 6: Final answer
    x = 18,230.27

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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.