Home / 14,250.67-21,377.99-4,390.74

Finding the Fourth Proportional to 14,250.67, 21,377.99 and 4,390.74

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Solution

The fourth proportional to 14,250.67, 21,377.99 and 4,390.74 is: 6,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.67 : 21,377.99 = 4,390.74 : x
  2. Step 2: Convert to fraction form
    14,250.67/21,377.99 = 4,390.74/x
  3. Step 3: Cross multiply
    14,250.67x = 21,377.99 × 4,390.74
  4. Step 4: Simplify right side
    14,250.67x = 93,865,206.79
  5. Step 5: Solve for x
    x = 93,865,206.79/14,250.67
  6. Step 6: Final answer
    x = 6,586.72

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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.