Home / 25,107.60-34,648.48-13,929.60

Finding the Fourth Proportional to 25,107.60, 34,648.48 and 13,929.60

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Solution

The fourth proportional to 25,107.60, 34,648.48 and 13,929.60 is: 19,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.60 : 34,648.48 = 13,929.60 : x
  2. Step 2: Convert to fraction form
    25,107.60/34,648.48 = 13,929.60/x
  3. Step 3: Cross multiply
    25,107.60x = 34,648.48 × 13,929.60
  4. Step 4: Simplify right side
    25,107.60x = 482,639,467.01
  5. Step 5: Solve for x
    x = 482,639,467.01/25,107.60
  6. Step 6: Final answer
    x = 19,222.84

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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.