Home / 14,826.51-20,451.69-9,790.74

Finding the Fourth Proportional to 14,826.51, 20,451.69 and 9,790.74

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Solution

The fourth proportional to 14,826.51, 20,451.69 and 9,790.74 is: 13,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.51 : 20,451.69 = 9,790.74 : x
  2. Step 2: Convert to fraction form
    14,826.51/20,451.69 = 9,790.74/x
  3. Step 3: Cross multiply
    14,826.51x = 20,451.69 × 9,790.74
  4. Step 4: Simplify right side
    14,826.51x = 200,237,179.35
  5. Step 5: Solve for x
    x = 200,237,179.35/14,826.51
  6. Step 6: Final answer
    x = 13,505.35

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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.