Home / 18,612.06-25,684.89-10,228.50

Finding the Fourth Proportional to 18,612.06, 25,684.89 and 10,228.50

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Solution

The fourth proportional to 18,612.06, 25,684.89 and 10,228.50 is: 14,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.06 : 25,684.89 = 10,228.50 : x
  2. Step 2: Convert to fraction form
    18,612.06/25,684.89 = 10,228.50/x
  3. Step 3: Cross multiply
    18,612.06x = 25,684.89 × 10,228.50
  4. Step 4: Simplify right side
    18,612.06x = 262,717,897.37
  5. Step 5: Solve for x
    x = 262,717,897.37/18,612.06
  6. Step 6: Final answer
    x = 14,115.47

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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.