Home / 14,291.76-21,432.61-4,293.52

Finding the Fourth Proportional to 14,291.76, 21,432.61 and 4,293.52

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Solution

The fourth proportional to 14,291.76, 21,432.61 and 4,293.52 is: 6,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.76 : 21,432.61 = 4,293.52 : x
  2. Step 2: Convert to fraction form
    14,291.76/21,432.61 = 4,293.52/x
  3. Step 3: Cross multiply
    14,291.76x = 21,432.61 × 4,293.52
  4. Step 4: Simplify right side
    14,291.76x = 92,021,339.69
  5. Step 5: Solve for x
    x = 92,021,339.69/14,291.76
  6. Step 6: Final answer
    x = 6,438.77

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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.