Home / 14,977.54-20,670.33-8,264.62

Finding the Fourth Proportional to 14,977.54, 20,670.33 and 8,264.62

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Solution

The fourth proportional to 14,977.54, 20,670.33 and 8,264.62 is: 11,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.54 : 20,670.33 = 8,264.62 : x
  2. Step 2: Convert to fraction form
    14,977.54/20,670.33 = 8,264.62/x
  3. Step 3: Cross multiply
    14,977.54x = 20,670.33 × 8,264.62
  4. Step 4: Simplify right side
    14,977.54x = 170,832,422.72
  5. Step 5: Solve for x
    x = 170,832,422.72/14,977.54
  6. Step 6: Final answer
    x = 11,405.91

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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.