Home / 14,695.55-20,276.69-8,729.22

Finding the Fourth Proportional to 14,695.55, 20,276.69 and 8,729.22

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Solution

The fourth proportional to 14,695.55, 20,276.69 and 8,729.22 is: 12,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.55 : 20,276.69 = 8,729.22 : x
  2. Step 2: Convert to fraction form
    14,695.55/20,276.69 = 8,729.22/x
  3. Step 3: Cross multiply
    14,695.55x = 20,276.69 × 8,729.22
  4. Step 4: Simplify right side
    14,695.55x = 176,999,644.24
  5. Step 5: Solve for x
    x = 176,999,644.24/14,695.55
  6. Step 6: Final answer
    x = 12,044.44

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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.