Home / 18,950.10-26,150.78-10,453.01

Finding the Fourth Proportional to 18,950.10, 26,150.78 and 10,453.01

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Solution

The fourth proportional to 18,950.10, 26,150.78 and 10,453.01 is: 14,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.10 : 26,150.78 = 10,453.01 : x
  2. Step 2: Convert to fraction form
    18,950.10/26,150.78 = 10,453.01/x
  3. Step 3: Cross multiply
    18,950.10x = 26,150.78 × 10,453.01
  4. Step 4: Simplify right side
    18,950.10x = 273,354,312.58
  5. Step 5: Solve for x
    x = 273,354,312.58/18,950.10
  6. Step 6: Final answer
    x = 14,424.96

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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.