Home / 37,615.20-56,425.64-12,655.32

Finding the Fourth Proportional to 37,615.20, 56,425.64 and 12,655.32

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Solution

The fourth proportional to 37,615.20, 56,425.64 and 12,655.32 is: 18,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.20 : 56,425.64 = 12,655.32 : x
  2. Step 2: Convert to fraction form
    37,615.20/56,425.64 = 12,655.32/x
  3. Step 3: Cross multiply
    37,615.20x = 56,425.64 × 12,655.32
  4. Step 4: Simplify right side
    37,615.20x = 714,084,530.40
  5. Step 5: Solve for x
    x = 714,084,530.40/37,615.20
  6. Step 6: Final answer
    x = 18,983.94

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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.