Home / 14,981.16-20,675.25-8,267.43

Finding the Fourth Proportional to 14,981.16, 20,675.25 and 8,267.43

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Solution

The fourth proportional to 14,981.16, 20,675.25 and 8,267.43 is: 11,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.16 : 20,675.25 = 8,267.43 : x
  2. Step 2: Convert to fraction form
    14,981.16/20,675.25 = 8,267.43/x
  3. Step 3: Cross multiply
    14,981.16x = 20,675.25 × 8,267.43
  4. Step 4: Simplify right side
    14,981.16x = 170,931,182.11
  5. Step 5: Solve for x
    x = 170,931,182.11/14,981.16
  6. Step 6: Final answer
    x = 11,409.74

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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.