Home / 13,017.24-17,964.72-7,351.92

Finding the Fourth Proportional to 13,017.24, 17,964.72 and 7,351.92

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Solution

The fourth proportional to 13,017.24, 17,964.72 and 7,351.92 is: 10,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.24 : 17,964.72 = 7,351.92 : x
  2. Step 2: Convert to fraction form
    13,017.24/17,964.72 = 7,351.92/x
  3. Step 3: Cross multiply
    13,017.24x = 17,964.72 × 7,351.92
  4. Step 4: Simplify right side
    13,017.24x = 132,075,184.26
  5. Step 5: Solve for x
    x = 132,075,184.26/13,017.24
  6. Step 6: Final answer
    x = 10,146.17

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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.