Home / 14,790.32-20,411.13-8,076.46

Finding the Fourth Proportional to 14,790.32, 20,411.13 and 8,076.46

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Solution

The fourth proportional to 14,790.32, 20,411.13 and 8,076.46 is: 11,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.32 : 20,411.13 = 8,076.46 : x
  2. Step 2: Convert to fraction form
    14,790.32/20,411.13 = 8,076.46/x
  3. Step 3: Cross multiply
    14,790.32x = 20,411.13 × 8,076.46
  4. Step 4: Simplify right side
    14,790.32x = 164,849,675.00
  5. Step 5: Solve for x
    x = 164,849,675.00/14,790.32
  6. Step 6: Final answer
    x = 11,145.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.