Home / 19,900.76-27,466.95-11,408.57

Finding the Fourth Proportional to 19,900.76, 27,466.95 and 11,408.57

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Solution

The fourth proportional to 19,900.76, 27,466.95 and 11,408.57 is: 15,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.76 : 27,466.95 = 11,408.57 : x
  2. Step 2: Convert to fraction form
    19,900.76/27,466.95 = 11,408.57/x
  3. Step 3: Cross multiply
    19,900.76x = 27,466.95 × 11,408.57
  4. Step 4: Simplify right side
    19,900.76x = 313,358,484.43
  5. Step 5: Solve for x
    x = 313,358,484.43/19,900.76
  6. Step 6: Final answer
    x = 15,746.06

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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.