Home / 15,477.64-23,216.52-3,790.86

Finding the Fourth Proportional to 15,477.64, 23,216.52 and 3,790.86

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Solution

The fourth proportional to 15,477.64, 23,216.52 and 3,790.86 is: 5,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.64 : 23,216.52 = 3,790.86 : x
  2. Step 2: Convert to fraction form
    15,477.64/23,216.52 = 3,790.86/x
  3. Step 3: Cross multiply
    15,477.64x = 23,216.52 × 3,790.86
  4. Step 4: Simplify right side
    15,477.64x = 88,010,577.01
  5. Step 5: Solve for x
    x = 88,010,577.01/15,477.64
  6. Step 6: Final answer
    x = 5,686.30

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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.