Home / 18,317.02-27,477.35-5,169.50

Finding the Fourth Proportional to 18,317.02, 27,477.35 and 5,169.50

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Solution

The fourth proportional to 18,317.02, 27,477.35 and 5,169.50 is: 7,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.02 : 27,477.35 = 5,169.50 : x
  2. Step 2: Convert to fraction form
    18,317.02/27,477.35 = 5,169.50/x
  3. Step 3: Cross multiply
    18,317.02x = 27,477.35 × 5,169.50
  4. Step 4: Simplify right side
    18,317.02x = 142,044,242.44
  5. Step 5: Solve for x
    x = 142,044,242.44/18,317.02
  6. Step 6: Final answer
    x = 7,754.77

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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.