Home / 15,415.49-23,124.26-5,419.01

Finding the Fourth Proportional to 15,415.49, 23,124.26 and 5,419.01

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Solution

The fourth proportional to 15,415.49, 23,124.26 and 5,419.01 is: 8,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.49 : 23,124.26 = 5,419.01 : x
  2. Step 2: Convert to fraction form
    15,415.49/23,124.26 = 5,419.01/x
  3. Step 3: Cross multiply
    15,415.49x = 23,124.26 × 5,419.01
  4. Step 4: Simplify right side
    15,415.49x = 125,310,453.47
  5. Step 5: Solve for x
    x = 125,310,453.47/15,415.49
  6. Step 6: Final answer
    x = 8,128.87

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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.