Home / 14,981.34-20,664.64-9,014.88

Finding the Fourth Proportional to 14,981.34, 20,664.64 and 9,014.88

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Solution

The fourth proportional to 14,981.34, 20,664.64 and 9,014.88 is: 12,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.34 : 20,664.64 = 9,014.88 : x
  2. Step 2: Convert to fraction form
    14,981.34/20,664.64 = 9,014.88/x
  3. Step 3: Cross multiply
    14,981.34x = 20,664.64 × 9,014.88
  4. Step 4: Simplify right side
    14,981.34x = 186,289,249.84
  5. Step 5: Solve for x
    x = 186,289,249.84/14,981.34
  6. Step 6: Final answer
    x = 12,434.75

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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.