Home / 19,411.56-26,788.92-11,856.67

Finding the Fourth Proportional to 19,411.56, 26,788.92 and 11,856.67

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Solution

The fourth proportional to 19,411.56, 26,788.92 and 11,856.67 is: 16,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.56 : 26,788.92 = 11,856.67 : x
  2. Step 2: Convert to fraction form
    19,411.56/26,788.92 = 11,856.67/x
  3. Step 3: Cross multiply
    19,411.56x = 26,788.92 × 11,856.67
  4. Step 4: Simplify right side
    19,411.56x = 317,627,384.10
  5. Step 5: Solve for x
    x = 317,627,384.10/19,411.56
  6. Step 6: Final answer
    x = 16,362.80

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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.