Home / 25,969.56-38,923.58-11,917.74

Finding the Fourth Proportional to 25,969.56, 38,923.58 and 11,917.74

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Solution

The fourth proportional to 25,969.56, 38,923.58 and 11,917.74 is: 17,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.56 : 38,923.58 = 11,917.74 : x
  2. Step 2: Convert to fraction form
    25,969.56/38,923.58 = 11,917.74/x
  3. Step 3: Cross multiply
    25,969.56x = 38,923.58 × 11,917.74
  4. Step 4: Simplify right side
    25,969.56x = 463,881,106.31
  5. Step 5: Solve for x
    x = 463,881,106.31/25,969.56
  6. Step 6: Final answer
    x = 17,862.50

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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.