Home / 25,985.52-35,860.35-15,773.60

Finding the Fourth Proportional to 25,985.52, 35,860.35 and 15,773.60

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Solution

The fourth proportional to 25,985.52, 35,860.35 and 15,773.60 is: 21,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.52 : 35,860.35 = 15,773.60 : x
  2. Step 2: Convert to fraction form
    25,985.52/35,860.35 = 15,773.60/x
  3. Step 3: Cross multiply
    25,985.52x = 35,860.35 × 15,773.60
  4. Step 4: Simplify right side
    25,985.52x = 565,646,816.76
  5. Step 5: Solve for x
    x = 565,646,816.76/25,985.52
  6. Step 6: Final answer
    x = 21,767.77

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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.