Home / 19,354.53-28,956.19-16,995.81

Finding the Fourth Proportional to 19,354.53, 28,956.19 and 16,995.81

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Solution

The fourth proportional to 19,354.53, 28,956.19 and 16,995.81 is: 25,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.53 : 28,956.19 = 16,995.81 : x
  2. Step 2: Convert to fraction form
    19,354.53/28,956.19 = 16,995.81/x
  3. Step 3: Cross multiply
    19,354.53x = 28,956.19 × 16,995.81
  4. Step 4: Simplify right side
    19,354.53x = 492,133,903.56
  5. Step 5: Solve for x
    x = 492,133,903.56/19,354.53
  6. Step 6: Final answer
    x = 25,427.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.