Home / 18,898.11-26,112.78-14,950.58

Finding the Fourth Proportional to 18,898.11, 26,112.78 and 14,950.58

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Solution

The fourth proportional to 18,898.11, 26,112.78 and 14,950.58 is: 20,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.11 : 26,112.78 = 14,950.58 : x
  2. Step 2: Convert to fraction form
    18,898.11/26,112.78 = 14,950.58/x
  3. Step 3: Cross multiply
    18,898.11x = 26,112.78 × 14,950.58
  4. Step 4: Simplify right side
    18,898.11x = 390,401,075.85
  5. Step 5: Solve for x
    x = 390,401,075.85/18,898.11
  6. Step 6: Final answer
    x = 20,658.21

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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.