Home / 25,749.95-38,620.35-11,706.68

Finding the Fourth Proportional to 25,749.95, 38,620.35 and 11,706.68

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Solution

The fourth proportional to 25,749.95, 38,620.35 and 11,706.68 is: 17,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.95 : 38,620.35 = 11,706.68 : x
  2. Step 2: Convert to fraction form
    25,749.95/38,620.35 = 11,706.68/x
  3. Step 3: Cross multiply
    25,749.95x = 38,620.35 × 11,706.68
  4. Step 4: Simplify right side
    25,749.95x = 452,115,885.84
  5. Step 5: Solve for x
    x = 452,115,885.84/25,749.95
  6. Step 6: Final answer
    x = 17,557.94

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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.