Home / 37,478.07-56,223.99-12,515.76

Finding the Fourth Proportional to 37,478.07, 56,223.99 and 12,515.76

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Solution

The fourth proportional to 37,478.07, 56,223.99 and 12,515.76 is: 18,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,478.07 : 56,223.99 = 12,515.76 : x
  2. Step 2: Convert to fraction form
    37,478.07/56,223.99 = 12,515.76/x
  3. Step 3: Cross multiply
    37,478.07x = 56,223.99 × 12,515.76
  4. Step 4: Simplify right side
    37,478.07x = 703,685,965.08
  5. Step 5: Solve for x
    x = 703,685,965.08/37,478.07
  6. Step 6: Final answer
    x = 18,775.94

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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.