Home / 25,260.06-34,858.12-13,929.55

Finding the Fourth Proportional to 25,260.06, 34,858.12 and 13,929.55

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Solution

The fourth proportional to 25,260.06, 34,858.12 and 13,929.55 is: 19,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.06 : 34,858.12 = 13,929.55 : x
  2. Step 2: Convert to fraction form
    25,260.06/34,858.12 = 13,929.55/x
  3. Step 3: Cross multiply
    25,260.06x = 34,858.12 × 13,929.55
  4. Step 4: Simplify right side
    25,260.06x = 485,557,925.45
  5. Step 5: Solve for x
    x = 485,557,925.45/25,260.06
  6. Step 6: Final answer
    x = 19,222.36

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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.