Home / 34,690.55-47,873.09-18,774.99

Finding the Fourth Proportional to 34,690.55, 47,873.09 and 18,774.99

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Solution

The fourth proportional to 34,690.55, 47,873.09 and 18,774.99 is: 25,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.55 : 47,873.09 = 18,774.99 : x
  2. Step 2: Convert to fraction form
    34,690.55/47,873.09 = 18,774.99/x
  3. Step 3: Cross multiply
    34,690.55x = 47,873.09 × 18,774.99
  4. Step 4: Simplify right side
    34,690.55x = 898,816,832.96
  5. Step 5: Solve for x
    x = 898,816,832.96/34,690.55
  6. Step 6: Final answer
    x = 25,909.56

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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.