Home / 14,977.45-20,668.75-8,263.14

Finding the Fourth Proportional to 14,977.45, 20,668.75 and 8,263.14

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Solution

The fourth proportional to 14,977.45, 20,668.75 and 8,263.14 is: 11,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.45 : 20,668.75 = 8,263.14 : x
  2. Step 2: Convert to fraction form
    14,977.45/20,668.75 = 8,263.14/x
  3. Step 3: Cross multiply
    14,977.45x = 20,668.75 × 8,263.14
  4. Step 4: Simplify right side
    14,977.45x = 170,788,676.71
  5. Step 5: Solve for x
    x = 170,788,676.71/14,977.45
  6. Step 6: Final answer
    x = 11,403.05

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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.