Home / 19,185.18-26,473.86-10,687.83

Finding the Fourth Proportional to 19,185.18, 26,473.86 and 10,687.83

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Solution

The fourth proportional to 19,185.18, 26,473.86 and 10,687.83 is: 14,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.18 : 26,473.86 = 10,687.83 : x
  2. Step 2: Convert to fraction form
    19,185.18/26,473.86 = 10,687.83/x
  3. Step 3: Cross multiply
    19,185.18x = 26,473.86 × 10,687.83
  4. Step 4: Simplify right side
    19,185.18x = 282,948,115.12
  5. Step 5: Solve for x
    x = 282,948,115.12/19,185.18
  6. Step 6: Final answer
    x = 14,748.26

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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.