Home / 14,475.83-19,977.17-8,425.58

Finding the Fourth Proportional to 14,475.83, 19,977.17 and 8,425.58

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Solution

The fourth proportional to 14,475.83, 19,977.17 and 8,425.58 is: 11,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.83 : 19,977.17 = 8,425.58 : x
  2. Step 2: Convert to fraction form
    14,475.83/19,977.17 = 8,425.58/x
  3. Step 3: Cross multiply
    14,475.83x = 19,977.17 × 8,425.58
  4. Step 4: Simplify right side
    14,475.83x = 168,319,101.99
  5. Step 5: Solve for x
    x = 168,319,101.99/14,475.83
  6. Step 6: Final answer
    x = 11,627.60

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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.