Home / 14,795.88-20,417.58-8,508.30

Finding the Fourth Proportional to 14,795.88, 20,417.58 and 8,508.30

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Solution

The fourth proportional to 14,795.88, 20,417.58 and 8,508.30 is: 11,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.88 : 20,417.58 = 8,508.30 : x
  2. Step 2: Convert to fraction form
    14,795.88/20,417.58 = 8,508.30/x
  3. Step 3: Cross multiply
    14,795.88x = 20,417.58 × 8,508.30
  4. Step 4: Simplify right side
    14,795.88x = 173,718,895.91
  5. Step 5: Solve for x
    x = 173,718,895.91/14,795.88
  6. Step 6: Final answer
    x = 11,741.03

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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.