Home / 25,772.89-38,668.53-15,900.67

Finding the Fourth Proportional to 25,772.89, 38,668.53 and 15,900.67

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Solution

The fourth proportional to 25,772.89, 38,668.53 and 15,900.67 is: 23,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.89 : 38,668.53 = 15,900.67 : x
  2. Step 2: Convert to fraction form
    25,772.89/38,668.53 = 15,900.67/x
  3. Step 3: Cross multiply
    25,772.89x = 38,668.53 × 15,900.67
  4. Step 4: Simplify right side
    25,772.89x = 614,855,534.92
  5. Step 5: Solve for x
    x = 614,855,534.92/25,772.89
  6. Step 6: Final answer
    x = 23,856.68

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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.