Home / 25,777.02-35,578.26-15,170.10

Finding the Fourth Proportional to 25,777.02, 35,578.26 and 15,170.10

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Solution

The fourth proportional to 25,777.02, 35,578.26 and 15,170.10 is: 20,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.02 : 35,578.26 = 15,170.10 : x
  2. Step 2: Convert to fraction form
    25,777.02/35,578.26 = 15,170.10/x
  3. Step 3: Cross multiply
    25,777.02x = 35,578.26 × 15,170.10
  4. Step 4: Simplify right side
    25,777.02x = 539,725,762.03
  5. Step 5: Solve for x
    x = 539,725,762.03/25,777.02
  6. Step 6: Final answer
    x = 20,938.25

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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.