Home / 39,903.15-59,846.43-11,816.62

Finding the Fourth Proportional to 39,903.15, 59,846.43 and 11,816.62

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Solution

The fourth proportional to 39,903.15, 59,846.43 and 11,816.62 is: 17,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.15 : 59,846.43 = 11,816.62 : x
  2. Step 2: Convert to fraction form
    39,903.15/59,846.43 = 11,816.62/x
  3. Step 3: Cross multiply
    39,903.15x = 59,846.43 × 11,816.62
  4. Step 4: Simplify right side
    39,903.15x = 707,182,521.67
  5. Step 5: Solve for x
    x = 707,182,521.67/39,903.15
  6. Step 6: Final answer
    x = 17,722.47

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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.