Home / 14,077.45-21,118.22-4,715.38

Finding the Fourth Proportional to 14,077.45, 21,118.22 and 4,715.38

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Solution

The fourth proportional to 14,077.45, 21,118.22 and 4,715.38 is: 7,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.45 : 21,118.22 = 4,715.38 : x
  2. Step 2: Convert to fraction form
    14,077.45/21,118.22 = 4,715.38/x
  3. Step 3: Cross multiply
    14,077.45x = 21,118.22 × 4,715.38
  4. Step 4: Simplify right side
    14,077.45x = 99,580,363.63
  5. Step 5: Solve for x
    x = 99,580,363.63/14,077.45
  6. Step 6: Final answer
    x = 7,073.75

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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.