Home / 25,775.60-35,570.42-16,817.81

Finding the Fourth Proportional to 25,775.60, 35,570.42 and 16,817.81

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Solution

The fourth proportional to 25,775.60, 35,570.42 and 16,817.81 is: 23,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.60 : 35,570.42 = 16,817.81 : x
  2. Step 2: Convert to fraction form
    25,775.60/35,570.42 = 16,817.81/x
  3. Step 3: Cross multiply
    25,775.60x = 35,570.42 × 16,817.81
  4. Step 4: Simplify right side
    25,775.60x = 598,216,303.24
  5. Step 5: Solve for x
    x = 598,216,303.24/25,775.60
  6. Step 6: Final answer
    x = 23,208.63

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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.