Home / 13,855.51-19,145.06-10,265.32

Finding the Fourth Proportional to 13,855.51, 19,145.06 and 10,265.32

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Solution

The fourth proportional to 13,855.51, 19,145.06 and 10,265.32 is: 14,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.51 : 19,145.06 = 10,265.32 : x
  2. Step 2: Convert to fraction form
    13,855.51/19,145.06 = 10,265.32/x
  3. Step 3: Cross multiply
    13,855.51x = 19,145.06 × 10,265.32
  4. Step 4: Simplify right side
    13,855.51x = 196,530,167.32
  5. Step 5: Solve for x
    x = 196,530,167.32/13,855.51
  6. Step 6: Final answer
    x = 14,184.26

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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.