Home / 25,784.86-35,581.26-15,173.05

Finding the Fourth Proportional to 25,784.86, 35,581.26 and 15,173.05

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Solution

The fourth proportional to 25,784.86, 35,581.26 and 15,173.05 is: 20,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.86 : 35,581.26 = 15,173.05 : x
  2. Step 2: Convert to fraction form
    25,784.86/35,581.26 = 15,173.05/x
  3. Step 3: Cross multiply
    25,784.86x = 35,581.26 × 15,173.05
  4. Step 4: Simplify right side
    25,784.86x = 539,876,237.04
  5. Step 5: Solve for x
    x = 539,876,237.04/25,784.86
  6. Step 6: Final answer
    x = 20,937.72

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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.