Home / 25,669.80-35,432.10-16,241.40

Finding the Fourth Proportional to 25,669.80, 35,432.10 and 16,241.40

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Solution

The fourth proportional to 25,669.80, 35,432.10 and 16,241.40 is: 22,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.80 : 35,432.10 = 16,241.40 : x
  2. Step 2: Convert to fraction form
    25,669.80/35,432.10 = 16,241.40/x
  3. Step 3: Cross multiply
    25,669.80x = 35,432.10 × 16,241.40
  4. Step 4: Simplify right side
    25,669.80x = 575,466,908.94
  5. Step 5: Solve for x
    x = 575,466,908.94/25,669.80
  6. Step 6: Final answer
    x = 22,418.05

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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.