Home / 14,123.54-21,177.01-5,359.07

Finding the Fourth Proportional to 14,123.54, 21,177.01 and 5,359.07

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Solution

The fourth proportional to 14,123.54, 21,177.01 and 5,359.07 is: 8,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.54 : 21,177.01 = 5,359.07 : x
  2. Step 2: Convert to fraction form
    14,123.54/21,177.01 = 5,359.07/x
  3. Step 3: Cross multiply
    14,123.54x = 21,177.01 × 5,359.07
  4. Step 4: Simplify right side
    14,123.54x = 113,489,118.53
  5. Step 5: Solve for x
    x = 113,489,118.53/14,123.54
  6. Step 6: Final answer
    x = 8,035.46

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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.