Home / 25,415.40-35,085.65-16,922.55

Finding the Fourth Proportional to 25,415.40, 35,085.65 and 16,922.55

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Solution

The fourth proportional to 25,415.40, 35,085.65 and 16,922.55 is: 23,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.40 : 35,085.65 = 16,922.55 : x
  2. Step 2: Convert to fraction form
    25,415.40/35,085.65 = 16,922.55/x
  3. Step 3: Cross multiply
    25,415.40x = 35,085.65 × 16,922.55
  4. Step 4: Simplify right side
    25,415.40x = 593,738,581.79
  5. Step 5: Solve for x
    x = 593,738,581.79/25,415.40
  6. Step 6: Final answer
    x = 23,361.37

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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.