Home / 37,485.40-56,214.28-12,518.77

Finding the Fourth Proportional to 37,485.40, 56,214.28 and 12,518.77

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Solution

The fourth proportional to 37,485.40, 56,214.28 and 12,518.77 is: 18,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.40 : 56,214.28 = 12,518.77 : x
  2. Step 2: Convert to fraction form
    37,485.40/56,214.28 = 12,518.77/x
  3. Step 3: Cross multiply
    37,485.40x = 56,214.28 × 12,518.77
  4. Step 4: Simplify right side
    37,485.40x = 703,733,642.04
  5. Step 5: Solve for x
    x = 703,733,642.04/37,485.40
  6. Step 6: Final answer
    x = 18,773.54

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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.