Home / 37,613.20-56,422.64-12,653.32

Finding the Fourth Proportional to 37,613.20, 56,422.64 and 12,653.32

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Solution

The fourth proportional to 37,613.20, 56,422.64 and 12,653.32 is: 18,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.20 : 56,422.64 = 12,653.32 : x
  2. Step 2: Convert to fraction form
    37,613.20/56,422.64 = 12,653.32/x
  3. Step 3: Cross multiply
    37,613.20x = 56,422.64 × 12,653.32
  4. Step 4: Simplify right side
    37,613.20x = 713,933,719.16
  5. Step 5: Solve for x
    x = 713,933,719.16/37,613.20
  6. Step 6: Final answer
    x = 18,980.94

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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.