Home / 18,986.14-26,200.35-10,488.88

Finding the Fourth Proportional to 18,986.14, 26,200.35 and 10,488.88

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Solution

The fourth proportional to 18,986.14, 26,200.35 and 10,488.88 is: 14,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.14 : 26,200.35 = 10,488.88 : x
  2. Step 2: Convert to fraction form
    18,986.14/26,200.35 = 10,488.88/x
  3. Step 3: Cross multiply
    18,986.14x = 26,200.35 × 10,488.88
  4. Step 4: Simplify right side
    18,986.14x = 274,812,327.11
  5. Step 5: Solve for x
    x = 274,812,327.11/18,986.14
  6. Step 6: Final answer
    x = 14,474.37

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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.