Home / 37,707.74-56,564.36-12,739.50

Finding the Fourth Proportional to 37,707.74, 56,564.36 and 12,739.50

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Solution

The fourth proportional to 37,707.74, 56,564.36 and 12,739.50 is: 19,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,707.74 : 56,564.36 = 12,739.50 : x
  2. Step 2: Convert to fraction form
    37,707.74/56,564.36 = 12,739.50/x
  3. Step 3: Cross multiply
    37,707.74x = 56,564.36 × 12,739.50
  4. Step 4: Simplify right side
    37,707.74x = 720,601,664.22
  5. Step 5: Solve for x
    x = 720,601,664.22/37,707.74
  6. Step 6: Final answer
    x = 19,110.18

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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.