Home / 14,728.64-22,090.08-5,492.80

Finding the Fourth Proportional to 14,728.64, 22,090.08 and 5,492.80

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Solution

The fourth proportional to 14,728.64, 22,090.08 and 5,492.80 is: 8,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.64 : 22,090.08 = 5,492.80 : x
  2. Step 2: Convert to fraction form
    14,728.64/22,090.08 = 5,492.80/x
  3. Step 3: Cross multiply
    14,728.64x = 22,090.08 × 5,492.80
  4. Step 4: Simplify right side
    14,728.64x = 121,336,391.42
  5. Step 5: Solve for x
    x = 121,336,391.42/14,728.64
  6. Step 6: Final answer
    x = 8,238.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.