Home / 37,613.16-56,419.20-12,658.68

Finding the Fourth Proportional to 37,613.16, 56,419.20 and 12,658.68

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Solution

The fourth proportional to 37,613.16, 56,419.20 and 12,658.68 is: 18,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.16 : 56,419.20 = 12,658.68 : x
  2. Step 2: Convert to fraction form
    37,613.16/56,419.20 = 12,658.68/x
  3. Step 3: Cross multiply
    37,613.16x = 56,419.20 × 12,658.68
  4. Step 4: Simplify right side
    37,613.16x = 714,192,598.66
  5. Step 5: Solve for x
    x = 714,192,598.66/37,613.16
  6. Step 6: Final answer
    x = 18,987.84

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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.