Home / 17,158.02-23,678.39-13,385.44

Finding the Fourth Proportional to 17,158.02, 23,678.39 and 13,385.44

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Solution

The fourth proportional to 17,158.02, 23,678.39 and 13,385.44 is: 18,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,158.02 : 23,678.39 = 13,385.44 : x
  2. Step 2: Convert to fraction form
    17,158.02/23,678.39 = 13,385.44/x
  3. Step 3: Cross multiply
    17,158.02x = 23,678.39 × 13,385.44
  4. Step 4: Simplify right side
    17,158.02x = 316,945,668.64
  5. Step 5: Solve for x
    x = 316,945,668.64/17,158.02
  6. Step 6: Final answer
    x = 18,472.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.