Home / 14,432.40-19,913.44-8,463.76

Finding the Fourth Proportional to 14,432.40, 19,913.44 and 8,463.76

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Solution

The fourth proportional to 14,432.40, 19,913.44 and 8,463.76 is: 11,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.40 : 19,913.44 = 8,463.76 : x
  2. Step 2: Convert to fraction form
    14,432.40/19,913.44 = 8,463.76/x
  3. Step 3: Cross multiply
    14,432.40x = 19,913.44 × 8,463.76
  4. Step 4: Simplify right side
    14,432.40x = 168,542,576.93
  5. Step 5: Solve for x
    x = 168,542,576.93/14,432.40
  6. Step 6: Final answer
    x = 11,678.07

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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.