Home / 14,837.76-20,504.88-12,179.88

Finding the Fourth Proportional to 14,837.76, 20,504.88 and 12,179.88

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Solution

The fourth proportional to 14,837.76, 20,504.88 and 12,179.88 is: 16,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.76 : 20,504.88 = 12,179.88 : x
  2. Step 2: Convert to fraction form
    14,837.76/20,504.88 = 12,179.88/x
  3. Step 3: Cross multiply
    14,837.76x = 20,504.88 × 12,179.88
  4. Step 4: Simplify right side
    14,837.76x = 249,746,977.81
  5. Step 5: Solve for x
    x = 249,746,977.81/14,837.76
  6. Step 6: Final answer
    x = 16,831.85

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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.