Home / 25,440.03-35,103.90-14,109.42

Finding the Fourth Proportional to 25,440.03, 35,103.90 and 14,109.42

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Solution

The fourth proportional to 25,440.03, 35,103.90 and 14,109.42 is: 19,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.03 : 35,103.90 = 14,109.42 : x
  2. Step 2: Convert to fraction form
    25,440.03/35,103.90 = 14,109.42/x
  3. Step 3: Cross multiply
    25,440.03x = 35,103.90 × 14,109.42
  4. Step 4: Simplify right side
    25,440.03x = 495,295,668.74
  5. Step 5: Solve for x
    x = 495,295,668.74/25,440.03
  6. Step 6: Final answer
    x = 19,469.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.