Home / 25,858.37-35,686.62-15,106.70

Finding the Fourth Proportional to 25,858.37, 35,686.62 and 15,106.70

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Solution

The fourth proportional to 25,858.37, 35,686.62 and 15,106.70 is: 20,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.37 : 35,686.62 = 15,106.70 : x
  2. Step 2: Convert to fraction form
    25,858.37/35,686.62 = 15,106.70/x
  3. Step 3: Cross multiply
    25,858.37x = 35,686.62 × 15,106.70
  4. Step 4: Simplify right side
    25,858.37x = 539,106,883.92
  5. Step 5: Solve for x
    x = 539,106,883.92/25,858.37
  6. Step 6: Final answer
    x = 20,848.45

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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.