Home / 39,374.81-59,073.62-12,724.86

Finding the Fourth Proportional to 39,374.81, 59,073.62 and 12,724.86

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Solution

The fourth proportional to 39,374.81, 59,073.62 and 12,724.86 is: 19,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.81 : 59,073.62 = 12,724.86 : x
  2. Step 2: Convert to fraction form
    39,374.81/59,073.62 = 12,724.86/x
  3. Step 3: Cross multiply
    39,374.81x = 59,073.62 × 12,724.86
  4. Step 4: Simplify right side
    39,374.81x = 751,703,544.19
  5. Step 5: Solve for x
    x = 751,703,544.19/39,374.81
  6. Step 6: Final answer
    x = 19,090.98

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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.