Home / 19,038.24-28,563.36-9,178.32

Finding the Fourth Proportional to 19,038.24, 28,563.36 and 9,178.32

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Solution

The fourth proportional to 19,038.24, 28,563.36 and 9,178.32 is: 13,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.24 : 28,563.36 = 9,178.32 : x
  2. Step 2: Convert to fraction form
    19,038.24/28,563.36 = 9,178.32/x
  3. Step 3: Cross multiply
    19,038.24x = 28,563.36 × 9,178.32
  4. Step 4: Simplify right side
    19,038.24x = 262,163,658.36
  5. Step 5: Solve for x
    x = 262,163,658.36/19,038.24
  6. Step 6: Final answer
    x = 13,770.37

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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.