Home / 20,492.43-28,282.25-11,541.69

Finding the Fourth Proportional to 20,492.43, 28,282.25 and 11,541.69

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Solution

The fourth proportional to 20,492.43, 28,282.25 and 11,541.69 is: 15,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.43 : 28,282.25 = 11,541.69 : x
  2. Step 2: Convert to fraction form
    20,492.43/28,282.25 = 11,541.69/x
  3. Step 3: Cross multiply
    20,492.43x = 28,282.25 × 11,541.69
  4. Step 4: Simplify right side
    20,492.43x = 326,424,962.00
  5. Step 5: Solve for x
    x = 326,424,962.00/20,492.43
  6. Step 6: Final answer
    x = 15,929.05

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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.