Home / 15,381.99-23,072.58-4,289.45

Finding the Fourth Proportional to 15,381.99, 23,072.58 and 4,289.45

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Solution

The fourth proportional to 15,381.99, 23,072.58 and 4,289.45 is: 6,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.99 : 23,072.58 = 4,289.45 : x
  2. Step 2: Convert to fraction form
    15,381.99/23,072.58 = 4,289.45/x
  3. Step 3: Cross multiply
    15,381.99x = 23,072.58 × 4,289.45
  4. Step 4: Simplify right side
    15,381.99x = 98,968,562.92
  5. Step 5: Solve for x
    x = 98,968,562.92/15,381.99
  6. Step 6: Final answer
    x = 6,434.05

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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.