Home / 18,528.30-27,792.45-16,487.10

Finding the Fourth Proportional to 18,528.30, 27,792.45 and 16,487.10

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Solution

The fourth proportional to 18,528.30, 27,792.45 and 16,487.10 is: 24,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.30 : 27,792.45 = 16,487.10 : x
  2. Step 2: Convert to fraction form
    18,528.30/27,792.45 = 16,487.10/x
  3. Step 3: Cross multiply
    18,528.30x = 27,792.45 × 16,487.10
  4. Step 4: Simplify right side
    18,528.30x = 458,216,902.40
  5. Step 5: Solve for x
    x = 458,216,902.40/18,528.30
  6. Step 6: Final answer
    x = 24,730.65

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1.5x scale

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.