Home / 16,378.84-24,570.70-5,281.88

Finding the Fourth Proportional to 16,378.84, 24,570.70 and 5,281.88

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Solution

The fourth proportional to 16,378.84, 24,570.70 and 5,281.88 is: 7,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.84 : 24,570.70 = 5,281.88 : x
  2. Step 2: Convert to fraction form
    16,378.84/24,570.70 = 5,281.88/x
  3. Step 3: Cross multiply
    16,378.84x = 24,570.70 × 5,281.88
  4. Step 4: Simplify right side
    16,378.84x = 129,779,488.92
  5. Step 5: Solve for x
    x = 129,779,488.92/16,378.84
  6. Step 6: Final answer
    x = 7,923.61

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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.