Home / 13,064.67-18,016.97-10,075.77

Finding the Fourth Proportional to 13,064.67, 18,016.97 and 10,075.77

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Solution

The fourth proportional to 13,064.67, 18,016.97 and 10,075.77 is: 13,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.67 : 18,016.97 = 10,075.77 : x
  2. Step 2: Convert to fraction form
    13,064.67/18,016.97 = 10,075.77/x
  3. Step 3: Cross multiply
    13,064.67x = 18,016.97 × 10,075.77
  4. Step 4: Simplify right side
    13,064.67x = 181,534,795.44
  5. Step 5: Solve for x
    x = 181,534,795.44/13,064.67
  6. Step 6: Final answer
    x = 13,895.09

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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.