Home / 14,235.45-21,350.10-4,237.77

Finding the Fourth Proportional to 14,235.45, 21,350.10 and 4,237.77

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Solution

The fourth proportional to 14,235.45, 21,350.10 and 4,237.77 is: 6,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.45 : 21,350.10 = 4,237.77 : x
  2. Step 2: Convert to fraction form
    14,235.45/21,350.10 = 4,237.77/x
  3. Step 3: Cross multiply
    14,235.45x = 21,350.10 × 4,237.77
  4. Step 4: Simplify right side
    14,235.45x = 90,476,813.28
  5. Step 5: Solve for x
    x = 90,476,813.28/14,235.45
  6. Step 6: Final answer
    x = 6,355.74

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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.