Home / 25,901.70-38,852.55-11,108.10

Finding the Fourth Proportional to 25,901.70, 38,852.55 and 11,108.10

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Solution

The fourth proportional to 25,901.70, 38,852.55 and 11,108.10 is: 16,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.70 : 38,852.55 = 11,108.10 : x
  2. Step 2: Convert to fraction form
    25,901.70/38,852.55 = 11,108.10/x
  3. Step 3: Cross multiply
    25,901.70x = 38,852.55 × 11,108.10
  4. Step 4: Simplify right side
    25,901.70x = 431,578,010.66
  5. Step 5: Solve for x
    x = 431,578,010.66/25,901.70
  6. Step 6: Final answer
    x = 16,662.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.