Home / 14,682.06-20,256.30-8,307.90

Finding the Fourth Proportional to 14,682.06, 20,256.30 and 8,307.90

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Solution

The fourth proportional to 14,682.06, 20,256.30 and 8,307.90 is: 11,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.06 : 20,256.30 = 8,307.90 : x
  2. Step 2: Convert to fraction form
    14,682.06/20,256.30 = 8,307.90/x
  3. Step 3: Cross multiply
    14,682.06x = 20,256.30 × 8,307.90
  4. Step 4: Simplify right side
    14,682.06x = 168,287,314.77
  5. Step 5: Solve for x
    x = 168,287,314.77/14,682.06
  6. Step 6: Final answer
    x = 11,462.11

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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.