Home / 23,187.99-34,782.57-7,392.78

Finding the Fourth Proportional to 23,187.99, 34,782.57 and 7,392.78

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Solution

The fourth proportional to 23,187.99, 34,782.57 and 7,392.78 is: 11,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.99 : 34,782.57 = 7,392.78 : x
  2. Step 2: Convert to fraction form
    23,187.99/34,782.57 = 7,392.78/x
  3. Step 3: Cross multiply
    23,187.99x = 34,782.57 × 7,392.78
  4. Step 4: Simplify right side
    23,187.99x = 257,139,887.84
  5. Step 5: Solve for x
    x = 257,139,887.84/23,187.99
  6. Step 6: Final answer
    x = 11,089.36

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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.