Home / 18,897.58-26,075.89-11,342.31

Finding the Fourth Proportional to 18,897.58, 26,075.89 and 11,342.31

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Solution

The fourth proportional to 18,897.58, 26,075.89 and 11,342.31 is: 15,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.58 : 26,075.89 = 11,342.31 : x
  2. Step 2: Convert to fraction form
    18,897.58/26,075.89 = 11,342.31/x
  3. Step 3: Cross multiply
    18,897.58x = 26,075.89 × 11,342.31
  4. Step 4: Simplify right side
    18,897.58x = 295,760,827.91
  5. Step 5: Solve for x
    x = 295,760,827.91/18,897.58
  6. Step 6: Final answer
    x = 15,650.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.