Home / 15,383.58-23,068.15-9,144.42

Finding the Fourth Proportional to 15,383.58, 23,068.15 and 9,144.42

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Solution

The fourth proportional to 15,383.58, 23,068.15 and 9,144.42 is: 13,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.58 : 23,068.15 = 9,144.42 : x
  2. Step 2: Convert to fraction form
    15,383.58/23,068.15 = 9,144.42/x
  3. Step 3: Cross multiply
    15,383.58x = 23,068.15 × 9,144.42
  4. Step 4: Simplify right side
    15,383.58x = 210,944,829.36
  5. Step 5: Solve for x
    x = 210,944,829.36/15,383.58
  6. Step 6: Final answer
    x = 13,712.34

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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.