Home / 17,645.52-26,417.12-13,738.08

Finding the Fourth Proportional to 17,645.52, 26,417.12 and 13,738.08

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Solution

The fourth proportional to 17,645.52, 26,417.12 and 13,738.08 is: 20,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.52 : 26,417.12 = 13,738.08 : x
  2. Step 2: Convert to fraction form
    17,645.52/26,417.12 = 13,738.08/x
  3. Step 3: Cross multiply
    17,645.52x = 26,417.12 × 13,738.08
  4. Step 4: Simplify right side
    17,645.52x = 362,920,507.93
  5. Step 5: Solve for x
    x = 362,920,507.93/17,645.52
  6. Step 6: Final answer
    x = 20,567.29

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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.