Home / 37,409.92-56,123.84-12,785.28

Finding the Fourth Proportional to 37,409.92, 56,123.84 and 12,785.28

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Solution

The fourth proportional to 37,409.92, 56,123.84 and 12,785.28 is: 19,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,409.92 : 56,123.84 = 12,785.28 : x
  2. Step 2: Convert to fraction form
    37,409.92/56,123.84 = 12,785.28/x
  3. Step 3: Cross multiply
    37,409.92x = 56,123.84 × 12,785.28
  4. Step 4: Simplify right side
    37,409.92x = 717,559,009.08
  5. Step 5: Solve for x
    x = 717,559,009.08/37,409.92
  6. Step 6: Final answer
    x = 19,180.98

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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.