Home / 25,970.05-38,941.73-11,917.98

Finding the Fourth Proportional to 25,970.05, 38,941.73 and 11,917.98

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Solution

The fourth proportional to 25,970.05, 38,941.73 and 11,917.98 is: 17,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.05 : 38,941.73 = 11,917.98 : x
  2. Step 2: Convert to fraction form
    25,970.05/38,941.73 = 11,917.98/x
  3. Step 3: Cross multiply
    25,970.05x = 38,941.73 × 11,917.98
  4. Step 4: Simplify right side
    25,970.05x = 464,106,505.01
  5. Step 5: Solve for x
    x = 464,106,505.01/25,970.05
  6. Step 6: Final answer
    x = 17,870.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.