Home / 26,266.60-39,399.90-18,922.60

Finding the Fourth Proportional to 26,266.60, 39,399.90 and 18,922.60

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Solution

The fourth proportional to 26,266.60, 39,399.90 and 18,922.60 is: 28,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,266.60 : 39,399.90 = 18,922.60 : x
  2. Step 2: Convert to fraction form
    26,266.60/39,399.90 = 18,922.60/x
  3. Step 3: Cross multiply
    26,266.60x = 39,399.90 × 18,922.60
  4. Step 4: Simplify right side
    26,266.60x = 745,548,547.74
  5. Step 5: Solve for x
    x = 745,548,547.74/26,266.60
  6. Step 6: Final answer
    x = 28,383.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.