Home / 12,357.61-18,633.37-11,324.26

Finding the Fourth Proportional to 12,357.61, 18,633.37 and 11,324.26

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Solution

The fourth proportional to 12,357.61, 18,633.37 and 11,324.26 is: 17,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.61 : 18,633.37 = 11,324.26 : x
  2. Step 2: Convert to fraction form
    12,357.61/18,633.37 = 11,324.26/x
  3. Step 3: Cross multiply
    12,357.61x = 18,633.37 × 11,324.26
  4. Step 4: Simplify right side
    12,357.61x = 211,009,006.11
  5. Step 5: Solve for x
    x = 211,009,006.11/12,357.61
  6. Step 6: Final answer
    x = 17,075.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.