Home / 19,169.51-26,455.12-11,616.50

Finding the Fourth Proportional to 19,169.51, 26,455.12 and 11,616.50

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Solution

The fourth proportional to 19,169.51, 26,455.12 and 11,616.50 is: 16,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.51 : 26,455.12 = 11,616.50 : x
  2. Step 2: Convert to fraction form
    19,169.51/26,455.12 = 11,616.50/x
  3. Step 3: Cross multiply
    19,169.51x = 26,455.12 × 11,616.50
  4. Step 4: Simplify right side
    19,169.51x = 307,315,855.11
  5. Step 5: Solve for x
    x = 307,315,855.11/19,169.51
  6. Step 6: Final answer
    x = 16,031.50

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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.