Home / 19,525.76-29,295.52-12,977.92

Finding the Fourth Proportional to 19,525.76, 29,295.52 and 12,977.92

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Solution

The fourth proportional to 19,525.76, 29,295.52 and 12,977.92 is: 19,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.76 : 29,295.52 = 12,977.92 : x
  2. Step 2: Convert to fraction form
    19,525.76/29,295.52 = 12,977.92/x
  3. Step 3: Cross multiply
    19,525.76x = 29,295.52 × 12,977.92
  4. Step 4: Simplify right side
    19,525.76x = 380,194,914.92
  5. Step 5: Solve for x
    x = 380,194,914.92/19,525.76
  6. Step 6: Final answer
    x = 19,471.45

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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.