Home / 27,123.53-37,429.36-15,186.62

Finding the Fourth Proportional to 27,123.53, 37,429.36 and 15,186.62

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Solution

The fourth proportional to 27,123.53, 37,429.36 and 15,186.62 is: 20,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.53 : 37,429.36 = 15,186.62 : x
  2. Step 2: Convert to fraction form
    27,123.53/37,429.36 = 15,186.62/x
  3. Step 3: Cross multiply
    27,123.53x = 37,429.36 × 15,186.62
  4. Step 4: Simplify right side
    27,123.53x = 568,425,522.77
  5. Step 5: Solve for x
    x = 568,425,522.77/27,123.53
  6. Step 6: Final answer
    x = 20,956.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.