Home / 14,025.52-19,355.28-7,737.92

Finding the Fourth Proportional to 14,025.52, 19,355.28 and 7,737.92

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Solution

The fourth proportional to 14,025.52, 19,355.28 and 7,737.92 is: 10,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.52 : 19,355.28 = 7,737.92 : x
  2. Step 2: Convert to fraction form
    14,025.52/19,355.28 = 7,737.92/x
  3. Step 3: Cross multiply
    14,025.52x = 19,355.28 × 7,737.92
  4. Step 4: Simplify right side
    14,025.52x = 149,769,608.22
  5. Step 5: Solve for x
    x = 149,769,608.22/14,025.52
  6. Step 6: Final answer
    x = 10,678.36

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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.