Home / 37,612.15-56,400.30-13,918.64

Finding the Fourth Proportional to 37,612.15, 56,400.30 and 13,918.64

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Solution

The fourth proportional to 37,612.15, 56,400.30 and 13,918.64 is: 20,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.15 : 56,400.30 = 13,918.64 : x
  2. Step 2: Convert to fraction form
    37,612.15/56,400.30 = 13,918.64/x
  3. Step 3: Cross multiply
    37,612.15x = 56,400.30 × 13,918.64
  4. Step 4: Simplify right side
    37,612.15x = 785,015,189.59
  5. Step 5: Solve for x
    x = 785,015,189.59/37,612.15
  6. Step 6: Final answer
    x = 20,871.32

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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.