Home / 14,598.13-20,143.38-8,223.64

Finding the Fourth Proportional to 14,598.13, 20,143.38 and 8,223.64

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Solution

The fourth proportional to 14,598.13, 20,143.38 and 8,223.64 is: 11,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.13 : 20,143.38 = 8,223.64 : x
  2. Step 2: Convert to fraction form
    14,598.13/20,143.38 = 8,223.64/x
  3. Step 3: Cross multiply
    14,598.13x = 20,143.38 × 8,223.64
  4. Step 4: Simplify right side
    14,598.13x = 165,651,905.50
  5. Step 5: Solve for x
    x = 165,651,905.50/14,598.13
  6. Step 6: Final answer
    x = 11,347.47

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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.