Home / 19,987.08-29,999.46-14,705.99

Finding the Fourth Proportional to 19,987.08, 29,999.46 and 14,705.99

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Solution

The fourth proportional to 19,987.08, 29,999.46 and 14,705.99 is: 22,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.08 : 29,999.46 = 14,705.99 : x
  2. Step 2: Convert to fraction form
    19,987.08/29,999.46 = 14,705.99/x
  3. Step 3: Cross multiply
    19,987.08x = 29,999.46 × 14,705.99
  4. Step 4: Simplify right side
    19,987.08x = 441,171,777.52
  5. Step 5: Solve for x
    x = 441,171,777.52/19,987.08
  6. Step 6: Final answer
    x = 22,072.85

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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.