Home / 18,875.64-26,056.44-11,800.56

Finding the Fourth Proportional to 18,875.64, 26,056.44 and 11,800.56

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Solution

The fourth proportional to 18,875.64, 26,056.44 and 11,800.56 is: 16,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.64 : 26,056.44 = 11,800.56 : x
  2. Step 2: Convert to fraction form
    18,875.64/26,056.44 = 11,800.56/x
  3. Step 3: Cross multiply
    18,875.64x = 26,056.44 × 11,800.56
  4. Step 4: Simplify right side
    18,875.64x = 307,480,583.61
  5. Step 5: Solve for x
    x = 307,480,583.61/18,875.64
  6. Step 6: Final answer
    x = 16,289.81

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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.