Home / 14,981.47-20,675.38-8,267.07

Finding the Fourth Proportional to 14,981.47, 20,675.38 and 8,267.07

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Solution

The fourth proportional to 14,981.47, 20,675.38 and 8,267.07 is: 11,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.47 : 20,675.38 = 8,267.07 : x
  2. Step 2: Convert to fraction form
    14,981.47/20,675.38 = 8,267.07/x
  3. Step 3: Cross multiply
    14,981.47x = 20,675.38 × 8,267.07
  4. Step 4: Simplify right side
    14,981.47x = 170,924,793.07
  5. Step 5: Solve for x
    x = 170,924,793.07/14,981.47
  6. Step 6: Final answer
    x = 11,409.08

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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.