Home / 26,445.89-39,682.78-11,665.01

Finding the Fourth Proportional to 26,445.89, 39,682.78 and 11,665.01

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Solution

The fourth proportional to 26,445.89, 39,682.78 and 11,665.01 is: 17,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.89 : 39,682.78 = 11,665.01 : x
  2. Step 2: Convert to fraction form
    26,445.89/39,682.78 = 11,665.01/x
  3. Step 3: Cross multiply
    26,445.89x = 39,682.78 × 11,665.01
  4. Step 4: Simplify right side
    26,445.89x = 462,900,095.57
  5. Step 5: Solve for x
    x = 462,900,095.57/26,445.89
  6. Step 6: Final answer
    x = 17,503.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.