Home / 13,010.80-17,950.48-10,616.56

Finding the Fourth Proportional to 13,010.80, 17,950.48 and 10,616.56

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Solution

The fourth proportional to 13,010.80, 17,950.48 and 10,616.56 is: 14,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.80 : 17,950.48 = 10,616.56 : x
  2. Step 2: Convert to fraction form
    13,010.80/17,950.48 = 10,616.56/x
  3. Step 3: Cross multiply
    13,010.80x = 17,950.48 × 10,616.56
  4. Step 4: Simplify right side
    13,010.80x = 190,572,347.95
  5. Step 5: Solve for x
    x = 190,572,347.95/13,010.80
  6. Step 6: Final answer
    x = 14,647.24

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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.