Home / 14,803.07-20,418.68-8,830.13

Finding the Fourth Proportional to 14,803.07, 20,418.68 and 8,830.13

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Solution

The fourth proportional to 14,803.07, 20,418.68 and 8,830.13 is: 12,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.07 : 20,418.68 = 8,830.13 : x
  2. Step 2: Convert to fraction form
    14,803.07/20,418.68 = 8,830.13/x
  3. Step 3: Cross multiply
    14,803.07x = 20,418.68 × 8,830.13
  4. Step 4: Simplify right side
    14,803.07x = 180,299,518.81
  5. Step 5: Solve for x
    x = 180,299,518.81/14,803.07
  6. Step 6: Final answer
    x = 12,179.88

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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.