Home / 19,408.34-26,783.28-10,911.88

Finding the Fourth Proportional to 19,408.34, 26,783.28 and 10,911.88

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Solution

The fourth proportional to 19,408.34, 26,783.28 and 10,911.88 is: 15,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.34 : 26,783.28 = 10,911.88 : x
  2. Step 2: Convert to fraction form
    19,408.34/26,783.28 = 10,911.88/x
  3. Step 3: Cross multiply
    19,408.34x = 26,783.28 × 10,911.88
  4. Step 4: Simplify right side
    19,408.34x = 292,255,937.37
  5. Step 5: Solve for x
    x = 292,255,937.37/19,408.34
  6. Step 6: Final answer
    x = 15,058.27

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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.