Home / 37,418.01-56,129.49-12,457.05

Finding the Fourth Proportional to 37,418.01, 56,129.49 and 12,457.05

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Solution

The fourth proportional to 37,418.01, 56,129.49 and 12,457.05 is: 18,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.01 : 56,129.49 = 12,457.05 : x
  2. Step 2: Convert to fraction form
    37,418.01/56,129.49 = 12,457.05/x
  3. Step 3: Cross multiply
    37,418.01x = 56,129.49 × 12,457.05
  4. Step 4: Simplify right side
    37,418.01x = 699,207,863.40
  5. Step 5: Solve for x
    x = 699,207,863.40/37,418.01
  6. Step 6: Final answer
    x = 18,686.40

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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.