Home / 28,514.36-39,354.90-17,185.88

Finding the Fourth Proportional to 28,514.36, 39,354.90 and 17,185.88

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Solution

The fourth proportional to 28,514.36, 39,354.90 and 17,185.88 is: 23,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.36 : 39,354.90 = 17,185.88 : x
  2. Step 2: Convert to fraction form
    28,514.36/39,354.90 = 17,185.88/x
  3. Step 3: Cross multiply
    28,514.36x = 39,354.90 × 17,185.88
  4. Step 4: Simplify right side
    28,514.36x = 676,348,588.81
  5. Step 5: Solve for x
    x = 676,348,588.81/28,514.36
  6. Step 6: Final answer
    x = 23,719.58

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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.