Home / 25,408.86-35,074.53-18,692.34

Finding the Fourth Proportional to 25,408.86, 35,074.53 and 18,692.34

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Solution

The fourth proportional to 25,408.86, 35,074.53 and 18,692.34 is: 25,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.86 : 35,074.53 = 18,692.34 : x
  2. Step 2: Convert to fraction form
    25,408.86/35,074.53 = 18,692.34/x
  3. Step 3: Cross multiply
    25,408.86x = 35,074.53 × 18,692.34
  4. Step 4: Simplify right side
    25,408.86x = 655,625,040.10
  5. Step 5: Solve for x
    x = 655,625,040.10/25,408.86
  6. Step 6: Final answer
    x = 25,803.01

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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.