Home / 27,153.56-40,735.96-13,123.35

Finding the Fourth Proportional to 27,153.56, 40,735.96 and 13,123.35

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Solution

The fourth proportional to 27,153.56, 40,735.96 and 13,123.35 is: 19,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.56 : 40,735.96 = 13,123.35 : x
  2. Step 2: Convert to fraction form
    27,153.56/40,735.96 = 13,123.35/x
  3. Step 3: Cross multiply
    27,153.56x = 40,735.96 × 13,123.35
  4. Step 4: Simplify right side
    27,153.56x = 534,592,227.86
  5. Step 5: Solve for x
    x = 534,592,227.86/27,153.56
  6. Step 6: Final answer
    x = 19,687.74

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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.