Home / 25,255.79-37,894.61-13,555.34

Finding the Fourth Proportional to 25,255.79, 37,894.61 and 13,555.34

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Solution

The fourth proportional to 25,255.79, 37,894.61 and 13,555.34 is: 20,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.79 : 37,894.61 = 13,555.34 : x
  2. Step 2: Convert to fraction form
    25,255.79/37,894.61 = 13,555.34/x
  3. Step 3: Cross multiply
    25,255.79x = 37,894.61 × 13,555.34
  4. Step 4: Simplify right side
    25,255.79x = 513,674,322.72
  5. Step 5: Solve for x
    x = 513,674,322.72/25,255.79
  6. Step 6: Final answer
    x = 20,338.87

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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.