Home / 16,690.41-25,036.39-9,289.30

Finding the Fourth Proportional to 16,690.41, 25,036.39 and 9,289.30

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Solution

The fourth proportional to 16,690.41, 25,036.39 and 9,289.30 is: 13,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.41 : 25,036.39 = 9,289.30 : x
  2. Step 2: Convert to fraction form
    16,690.41/25,036.39 = 9,289.30/x
  3. Step 3: Cross multiply
    16,690.41x = 25,036.39 × 9,289.30
  4. Step 4: Simplify right side
    16,690.41x = 232,570,537.63
  5. Step 5: Solve for x
    x = 232,570,537.63/16,690.41
  6. Step 6: Final answer
    x = 13,934.38

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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.