Home / 14,075.05-19,422.55-7,700.25

Finding the Fourth Proportional to 14,075.05, 19,422.55 and 7,700.25

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Solution

The fourth proportional to 14,075.05, 19,422.55 and 7,700.25 is: 10,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.05 : 19,422.55 = 7,700.25 : x
  2. Step 2: Convert to fraction form
    14,075.05/19,422.55 = 7,700.25/x
  3. Step 3: Cross multiply
    14,075.05x = 19,422.55 × 7,700.25
  4. Step 4: Simplify right side
    14,075.05x = 149,558,490.64
  5. Step 5: Solve for x
    x = 149,558,490.64/14,075.05
  6. Step 6: Final answer
    x = 10,625.79

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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.