Home / 15,900.43-23,851.59-4,213.61

Finding the Fourth Proportional to 15,900.43, 23,851.59 and 4,213.61

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Solution

The fourth proportional to 15,900.43, 23,851.59 and 4,213.61 is: 6,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.43 : 23,851.59 = 4,213.61 : x
  2. Step 2: Convert to fraction form
    15,900.43/23,851.59 = 4,213.61/x
  3. Step 3: Cross multiply
    15,900.43x = 23,851.59 × 4,213.61
  4. Step 4: Simplify right side
    15,900.43x = 100,501,298.14
  5. Step 5: Solve for x
    x = 100,501,298.14/15,900.43
  6. Step 6: Final answer
    x = 6,320.67

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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.