Home / 14,235.75-21,354.23-4,376.43

Finding the Fourth Proportional to 14,235.75, 21,354.23 and 4,376.43

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Solution

The fourth proportional to 14,235.75, 21,354.23 and 4,376.43 is: 6,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.75 : 21,354.23 = 4,376.43 : x
  2. Step 2: Convert to fraction form
    14,235.75/21,354.23 = 4,376.43/x
  3. Step 3: Cross multiply
    14,235.75x = 21,354.23 × 4,376.43
  4. Step 4: Simplify right side
    14,235.75x = 93,455,303.74
  5. Step 5: Solve for x
    x = 93,455,303.74/14,235.75
  6. Step 6: Final answer
    x = 6,564.83

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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.