Home / 25,315.07-37,971.63-7,784.46

Finding the Fourth Proportional to 25,315.07, 37,971.63 and 7,784.46

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Solution

The fourth proportional to 25,315.07, 37,971.63 and 7,784.46 is: 11,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.07 : 37,971.63 = 7,784.46 : x
  2. Step 2: Convert to fraction form
    25,315.07/37,971.63 = 7,784.46/x
  3. Step 3: Cross multiply
    25,315.07x = 37,971.63 × 7,784.46
  4. Step 4: Simplify right side
    25,315.07x = 295,588,634.87
  5. Step 5: Solve for x
    x = 295,588,634.87/25,315.07
  6. Step 6: Final answer
    x = 11,676.39

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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.