Home / 25,446.33-38,130.57-13,601.79

Finding the Fourth Proportional to 25,446.33, 38,130.57 and 13,601.79

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Solution

The fourth proportional to 25,446.33, 38,130.57 and 13,601.79 is: 20,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.33 : 38,130.57 = 13,601.79 : x
  2. Step 2: Convert to fraction form
    25,446.33/38,130.57 = 13,601.79/x
  3. Step 3: Cross multiply
    25,446.33x = 38,130.57 × 13,601.79
  4. Step 4: Simplify right side
    25,446.33x = 518,643,811.72
  5. Step 5: Solve for x
    x = 518,643,811.72/25,446.33
  6. Step 6: Final answer
    x = 20,381.87

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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.