Home / 25,750.68-35,552.00-19,770.45

Finding the Fourth Proportional to 25,750.68, 35,552.00 and 19,770.45

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Solution

The fourth proportional to 25,750.68, 35,552.00 and 19,770.45 is: 27,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.68 : 35,552.00 = 19,770.45 : x
  2. Step 2: Convert to fraction form
    25,750.68/35,552.00 = 19,770.45/x
  3. Step 3: Cross multiply
    25,750.68x = 35,552.00 × 19,770.45
  4. Step 4: Simplify right side
    25,750.68x = 702,878,939.55
  5. Step 5: Solve for x
    x = 702,878,939.55/25,750.68
  6. Step 6: Final answer
    x = 27,295.55

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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.