Home / 19,356.44-26,712.05-12,638.03

Finding the Fourth Proportional to 19,356.44, 26,712.05 and 12,638.03

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Solution

The fourth proportional to 19,356.44, 26,712.05 and 12,638.03 is: 17,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.44 : 26,712.05 = 12,638.03 : x
  2. Step 2: Convert to fraction form
    19,356.44/26,712.05 = 12,638.03/x
  3. Step 3: Cross multiply
    19,356.44x = 26,712.05 × 12,638.03
  4. Step 4: Simplify right side
    19,356.44x = 337,587,492.51
  5. Step 5: Solve for x
    x = 337,587,492.51/19,356.44
  6. Step 6: Final answer
    x = 17,440.58

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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.