Home / 14,448.31-19,938.74-8,075.00

Finding the Fourth Proportional to 14,448.31, 19,938.74 and 8,075.00

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Solution

The fourth proportional to 14,448.31, 19,938.74 and 8,075.00 is: 11,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.31 : 19,938.74 = 8,075.00 : x
  2. Step 2: Convert to fraction form
    14,448.31/19,938.74 = 8,075.00/x
  3. Step 3: Cross multiply
    14,448.31x = 19,938.74 × 8,075.00
  4. Step 4: Simplify right side
    14,448.31x = 161,005,334.97
  5. Step 5: Solve for x
    x = 161,005,334.97/14,448.31
  6. Step 6: Final answer
    x = 11,143.54

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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.