Home / 34,430.16-51,684.12-13,668.24

Finding the Fourth Proportional to 34,430.16, 51,684.12 and 13,668.24

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Solution

The fourth proportional to 34,430.16, 51,684.12 and 13,668.24 is: 20,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,430.16 : 51,684.12 = 13,668.24 : x
  2. Step 2: Convert to fraction form
    34,430.16/51,684.12 = 13,668.24/x
  3. Step 3: Cross multiply
    34,430.16x = 51,684.12 × 13,668.24
  4. Step 4: Simplify right side
    34,430.16x = 706,430,956.35
  5. Step 5: Solve for x
    x = 706,430,956.35/34,430.16
  6. Step 6: Final answer
    x = 20,517.79

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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.