Home / 18,816.12-26,085.12-17,817.42

Finding the Fourth Proportional to 18,816.12, 26,085.12 and 17,817.42

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Solution

The fourth proportional to 18,816.12, 26,085.12 and 17,817.42 is: 24,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.12 : 26,085.12 = 17,817.42 : x
  2. Step 2: Convert to fraction form
    18,816.12/26,085.12 = 17,817.42/x
  3. Step 3: Cross multiply
    18,816.12x = 26,085.12 × 17,817.42
  4. Step 4: Simplify right side
    18,816.12x = 464,769,538.79
  5. Step 5: Solve for x
    x = 464,769,538.79/18,816.12
  6. Step 6: Final answer
    x = 24,700.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.