Home / 25,305.40-34,944.78-16,946.20

Finding the Fourth Proportional to 25,305.40, 34,944.78 and 16,946.20

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Solution

The fourth proportional to 25,305.40, 34,944.78 and 16,946.20 is: 23,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.40 : 34,944.78 = 16,946.20 : x
  2. Step 2: Convert to fraction form
    25,305.40/34,944.78 = 16,946.20/x
  3. Step 3: Cross multiply
    25,305.40x = 34,944.78 × 16,946.20
  4. Step 4: Simplify right side
    25,305.40x = 592,181,230.84
  5. Step 5: Solve for x
    x = 592,181,230.84/25,305.40
  6. Step 6: Final answer
    x = 23,401.38

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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.