Home / 18,767.02-28,137.55-9,396.94

Finding the Fourth Proportional to 18,767.02, 28,137.55 and 9,396.94

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Solution

The fourth proportional to 18,767.02, 28,137.55 and 9,396.94 is: 14,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.02 : 28,137.55 = 9,396.94 : x
  2. Step 2: Convert to fraction form
    18,767.02/28,137.55 = 9,396.94/x
  3. Step 3: Cross multiply
    18,767.02x = 28,137.55 × 9,396.94
  4. Step 4: Simplify right side
    18,767.02x = 264,406,869.10
  5. Step 5: Solve for x
    x = 264,406,869.10/18,767.02
  6. Step 6: Final answer
    x = 14,088.91

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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.