Home / 25,803.53-35,610.93-15,195.23

Finding the Fourth Proportional to 25,803.53, 35,610.93 and 15,195.23

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Solution

The fourth proportional to 25,803.53, 35,610.93 and 15,195.23 is: 20,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.53 : 35,610.93 = 15,195.23 : x
  2. Step 2: Convert to fraction form
    25,803.53/35,610.93 = 15,195.23/x
  3. Step 3: Cross multiply
    25,803.53x = 35,610.93 × 15,195.23
  4. Step 4: Simplify right side
    25,803.53x = 541,116,271.86
  5. Step 5: Solve for x
    x = 541,116,271.86/25,803.53
  6. Step 6: Final answer
    x = 20,970.63

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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.