Home / 15,520.78-23,152.07-14,026.06

Finding the Fourth Proportional to 15,520.78, 23,152.07 and 14,026.06

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Solution

The fourth proportional to 15,520.78, 23,152.07 and 14,026.06 is: 20,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.78 : 23,152.07 = 14,026.06 : x
  2. Step 2: Convert to fraction form
    15,520.78/23,152.07 = 14,026.06/x
  3. Step 3: Cross multiply
    15,520.78x = 23,152.07 × 14,026.06
  4. Step 4: Simplify right side
    15,520.78x = 324,732,137.05
  5. Step 5: Solve for x
    x = 324,732,137.05/15,520.78
  6. Step 6: Final answer
    x = 20,922.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.