Home / 17,433.78-26,136.02-12,153.27

Finding the Fourth Proportional to 17,433.78, 26,136.02 and 12,153.27

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Solution

The fourth proportional to 17,433.78, 26,136.02 and 12,153.27 is: 18,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,433.78 : 26,136.02 = 12,153.27 : x
  2. Step 2: Convert to fraction form
    17,433.78/26,136.02 = 12,153.27/x
  3. Step 3: Cross multiply
    17,433.78x = 26,136.02 × 12,153.27
  4. Step 4: Simplify right side
    17,433.78x = 317,637,977.11
  5. Step 5: Solve for x
    x = 317,637,977.11/17,433.78
  6. Step 6: Final answer
    x = 18,219.69

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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.