Home / 15,873-21,899.75-10,568.67

Finding the Fourth Proportional to 15,873, 21,899.75 and 10,568.67

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Solution

The fourth proportional to 15,873, 21,899.75 and 10,568.67 is: 14,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873 : 21,899.75 = 10,568.67 : x
  2. Step 2: Convert to fraction form
    15,873/21,899.75 = 10,568.67/x
  3. Step 3: Cross multiply
    15,873x = 21,899.75 × 10,568.67
  4. Step 4: Simplify right side
    15,873x = 231,451,177.99
  5. Step 5: Solve for x
    x = 231,451,177.99/15,873
  6. Step 6: Final answer
    x = 14,581.44

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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.