Home / 17,430.57-26,143.12-7,567.20

Finding the Fourth Proportional to 17,430.57, 26,143.12 and 7,567.20

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Solution

The fourth proportional to 17,430.57, 26,143.12 and 7,567.20 is: 11,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.57 : 26,143.12 = 7,567.20 : x
  2. Step 2: Convert to fraction form
    17,430.57/26,143.12 = 7,567.20/x
  3. Step 3: Cross multiply
    17,430.57x = 26,143.12 × 7,567.20
  4. Step 4: Simplify right side
    17,430.57x = 197,830,217.66
  5. Step 5: Solve for x
    x = 197,830,217.66/17,430.57
  6. Step 6: Final answer
    x = 11,349.61

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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.