Home / 45,513.72-68,281.38-14,348.94

Finding the Fourth Proportional to 45,513.72, 68,281.38 and 14,348.94

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Solution

The fourth proportional to 45,513.72, 68,281.38 and 14,348.94 is: 21,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513.72 : 68,281.38 = 14,348.94 : x
  2. Step 2: Convert to fraction form
    45,513.72/68,281.38 = 14,348.94/x
  3. Step 3: Cross multiply
    45,513.72x = 68,281.38 × 14,348.94
  4. Step 4: Simplify right side
    45,513.72x = 979,765,424.74
  5. Step 5: Solve for x
    x = 979,765,424.74/45,513.72
  6. Step 6: Final answer
    x = 21,526.81

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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.