Home / 14,075.86-19,427.09-8,111.00

Finding the Fourth Proportional to 14,075.86, 19,427.09 and 8,111.00

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Solution

The fourth proportional to 14,075.86, 19,427.09 and 8,111.00 is: 11,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.86 : 19,427.09 = 8,111.00 : x
  2. Step 2: Convert to fraction form
    14,075.86/19,427.09 = 8,111.00/x
  3. Step 3: Cross multiply
    14,075.86x = 19,427.09 × 8,111.00
  4. Step 4: Simplify right side
    14,075.86x = 157,573,098.67
  5. Step 5: Solve for x
    x = 157,573,098.67/14,075.86
  6. Step 6: Final answer
    x = 11,194.56

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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.