Home / 18,370.10-27,569.55-8,510.60

Finding the Fourth Proportional to 18,370.10, 27,569.55 and 8,510.60

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Solution

The fourth proportional to 18,370.10, 27,569.55 and 8,510.60 is: 12,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.10 : 27,569.55 = 8,510.60 : x
  2. Step 2: Convert to fraction form
    18,370.10/27,569.55 = 8,510.60/x
  3. Step 3: Cross multiply
    18,370.10x = 27,569.55 × 8,510.60
  4. Step 4: Simplify right side
    18,370.10x = 234,633,412.23
  5. Step 5: Solve for x
    x = 234,633,412.23/18,370.10
  6. Step 6: Final answer
    x = 12,772.57

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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.