Home / 14,678.57-21,992.69-9,860.98

Finding the Fourth Proportional to 14,678.57, 21,992.69 and 9,860.98

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Solution

The fourth proportional to 14,678.57, 21,992.69 and 9,860.98 is: 14,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.57 : 21,992.69 = 9,860.98 : x
  2. Step 2: Convert to fraction form
    14,678.57/21,992.69 = 9,860.98/x
  3. Step 3: Cross multiply
    14,678.57x = 21,992.69 × 9,860.98
  4. Step 4: Simplify right side
    14,678.57x = 216,869,476.24
  5. Step 5: Solve for x
    x = 216,869,476.24/14,678.57
  6. Step 6: Final answer
    x = 14,774.56

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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.