Home / 25,438.79-35,105.63-14,109.34

Finding the Fourth Proportional to 25,438.79, 35,105.63 and 14,109.34

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Solution

The fourth proportional to 25,438.79, 35,105.63 and 14,109.34 is: 19,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.79 : 35,105.63 = 14,109.34 : x
  2. Step 2: Convert to fraction form
    25,438.79/35,105.63 = 14,109.34/x
  3. Step 3: Cross multiply
    25,438.79x = 35,105.63 × 14,109.34
  4. Step 4: Simplify right side
    25,438.79x = 495,317,269.58
  5. Step 5: Solve for x
    x = 495,317,269.58/25,438.79
  6. Step 6: Final answer
    x = 19,470.94

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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.