Home / 14,323.07-19,768.21-8,354.74

Finding the Fourth Proportional to 14,323.07, 19,768.21 and 8,354.74

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Solution

The fourth proportional to 14,323.07, 19,768.21 and 8,354.74 is: 11,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.07 : 19,768.21 = 8,354.74 : x
  2. Step 2: Convert to fraction form
    14,323.07/19,768.21 = 8,354.74/x
  3. Step 3: Cross multiply
    14,323.07x = 19,768.21 × 8,354.74
  4. Step 4: Simplify right side
    14,323.07x = 165,158,305.63
  5. Step 5: Solve for x
    x = 165,158,305.63/14,323.07
  6. Step 6: Final answer
    x = 11,530.93

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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.