Home / 14,945.70-22,421.50-4,415.90

Finding the Fourth Proportional to 14,945.70, 22,421.50 and 4,415.90

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Solution

The fourth proportional to 14,945.70, 22,421.50 and 4,415.90 is: 6,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.70 : 22,421.50 = 4,415.90 : x
  2. Step 2: Convert to fraction form
    14,945.70/22,421.50 = 4,415.90/x
  3. Step 3: Cross multiply
    14,945.70x = 22,421.50 × 4,415.90
  4. Step 4: Simplify right side
    14,945.70x = 99,011,146.86
  5. Step 5: Solve for x
    x = 99,011,146.86/14,945.70
  6. Step 6: Final answer
    x = 6,624.72

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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.