Home / 14,463.35-21,678.31-6,655.76

Finding the Fourth Proportional to 14,463.35, 21,678.31 and 6,655.76

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Solution

The fourth proportional to 14,463.35, 21,678.31 and 6,655.76 is: 9,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.35 : 21,678.31 = 6,655.76 : x
  2. Step 2: Convert to fraction form
    14,463.35/21,678.31 = 6,655.76/x
  3. Step 3: Cross multiply
    14,463.35x = 21,678.31 × 6,655.76
  4. Step 4: Simplify right side
    14,463.35x = 144,285,628.57
  5. Step 5: Solve for x
    x = 144,285,628.57/14,463.35
  6. Step 6: Final answer
    x = 9,975.95

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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.