Home / 25,107.64-34,648.56-13,929.64

Finding the Fourth Proportional to 25,107.64, 34,648.56 and 13,929.64

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Solution

The fourth proportional to 25,107.64, 34,648.56 and 13,929.64 is: 19,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.64 : 34,648.56 = 13,929.64 : x
  2. Step 2: Convert to fraction form
    25,107.64/34,648.56 = 13,929.64/x
  3. Step 3: Cross multiply
    25,107.64x = 34,648.56 × 13,929.64
  4. Step 4: Simplify right side
    25,107.64x = 482,641,967.32
  5. Step 5: Solve for x
    x = 482,641,967.32/25,107.64
  6. Step 6: Final answer
    x = 19,222.91

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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.