Home / 14,911.07-20,577.32-8,537.76

Finding the Fourth Proportional to 14,911.07, 20,577.32 and 8,537.76

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Solution

The fourth proportional to 14,911.07, 20,577.32 and 8,537.76 is: 11,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.07 : 20,577.32 = 8,537.76 : x
  2. Step 2: Convert to fraction form
    14,911.07/20,577.32 = 8,537.76/x
  3. Step 3: Cross multiply
    14,911.07x = 20,577.32 × 8,537.76
  4. Step 4: Simplify right side
    14,911.07x = 175,684,099.75
  5. Step 5: Solve for x
    x = 175,684,099.75/14,911.07
  6. Step 6: Final answer
    x = 11,782.13

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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.