Home / 14,583.45-20,125.55-8,210.28

Finding the Fourth Proportional to 14,583.45, 20,125.55 and 8,210.28

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Solution

The fourth proportional to 14,583.45, 20,125.55 and 8,210.28 is: 11,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.45 : 20,125.55 = 8,210.28 : x
  2. Step 2: Convert to fraction form
    14,583.45/20,125.55 = 8,210.28/x
  3. Step 3: Cross multiply
    14,583.45x = 20,125.55 × 8,210.28
  4. Step 4: Simplify right side
    14,583.45x = 165,236,359.60
  5. Step 5: Solve for x
    x = 165,236,359.60/14,583.45
  6. Step 6: Final answer
    x = 11,330.40

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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.