Home / 17,782.40-26,690.33-9,023.60

Finding the Fourth Proportional to 17,782.40, 26,690.33 and 9,023.60

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Solution

The fourth proportional to 17,782.40, 26,690.33 and 9,023.60 is: 13,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.40 : 26,690.33 = 9,023.60 : x
  2. Step 2: Convert to fraction form
    17,782.40/26,690.33 = 9,023.60/x
  3. Step 3: Cross multiply
    17,782.40x = 26,690.33 × 9,023.60
  4. Step 4: Simplify right side
    17,782.40x = 240,842,750.90
  5. Step 5: Solve for x
    x = 240,842,750.90/17,782.40
  6. Step 6: Final answer
    x = 13,543.89

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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.