Home / 39,415.82-59,123.58-11,713.82

Finding the Fourth Proportional to 39,415.82, 59,123.58 and 11,713.82

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Solution

The fourth proportional to 39,415.82, 59,123.58 and 11,713.82 is: 17,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.82 : 59,123.58 = 11,713.82 : x
  2. Step 2: Convert to fraction form
    39,415.82/59,123.58 = 11,713.82/x
  3. Step 3: Cross multiply
    39,415.82x = 59,123.58 × 11,713.82
  4. Step 4: Simplify right side
    39,415.82x = 692,562,973.88
  5. Step 5: Solve for x
    x = 692,562,973.88/39,415.82
  6. Step 6: Final answer
    x = 17,570.69

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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.