Home / 24,940.78-34,423.05-15,383.86

Finding the Fourth Proportional to 24,940.78, 34,423.05 and 15,383.86

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Solution

The fourth proportional to 24,940.78, 34,423.05 and 15,383.86 is: 21,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,940.78 : 34,423.05 = 15,383.86 : x
  2. Step 2: Convert to fraction form
    24,940.78/34,423.05 = 15,383.86/x
  3. Step 3: Cross multiply
    24,940.78x = 34,423.05 × 15,383.86
  4. Step 4: Simplify right side
    24,940.78x = 529,559,381.97
  5. Step 5: Solve for x
    x = 529,559,381.97/24,940.78
  6. Step 6: Final answer
    x = 21,232.67

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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.