Home / 18,866.28-26,034.37-10,800.35

Finding the Fourth Proportional to 18,866.28, 26,034.37 and 10,800.35

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Solution

The fourth proportional to 18,866.28, 26,034.37 and 10,800.35 is: 14,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.28 : 26,034.37 = 10,800.35 : x
  2. Step 2: Convert to fraction form
    18,866.28/26,034.37 = 10,800.35/x
  3. Step 3: Cross multiply
    18,866.28x = 26,034.37 × 10,800.35
  4. Step 4: Simplify right side
    18,866.28x = 281,180,248.49
  5. Step 5: Solve for x
    x = 281,180,248.49/18,866.28
  6. Step 6: Final answer
    x = 14,903.85

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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.