Home / 17,801.51-26,653.61-12,808.85

Finding the Fourth Proportional to 17,801.51, 26,653.61 and 12,808.85

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Solution

The fourth proportional to 17,801.51, 26,653.61 and 12,808.85 is: 19,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.51 : 26,653.61 = 12,808.85 : x
  2. Step 2: Convert to fraction form
    17,801.51/26,653.61 = 12,808.85/x
  3. Step 3: Cross multiply
    17,801.51x = 26,653.61 × 12,808.85
  4. Step 4: Simplify right side
    17,801.51x = 341,402,069.08
  5. Step 5: Solve for x
    x = 341,402,069.08/17,801.51
  6. Step 6: Final answer
    x = 19,178.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.