Home / 39,852.55-59,786.71-11,389.76

Finding the Fourth Proportional to 39,852.55, 59,786.71 and 11,389.76

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Solution

The fourth proportional to 39,852.55, 59,786.71 and 11,389.76 is: 17,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.55 : 59,786.71 = 11,389.76 : x
  2. Step 2: Convert to fraction form
    39,852.55/59,786.71 = 11,389.76/x
  3. Step 3: Cross multiply
    39,852.55x = 59,786.71 × 11,389.76
  4. Step 4: Simplify right side
    39,852.55x = 680,956,238.95
  5. Step 5: Solve for x
    x = 680,956,238.95/39,852.55
  6. Step 6: Final answer
    x = 17,086.89

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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.