Home / 17,152.20-23,681.70-13,166.28

Finding the Fourth Proportional to 17,152.20, 23,681.70 and 13,166.28

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Solution

The fourth proportional to 17,152.20, 23,681.70 and 13,166.28 is: 18,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152.20 : 23,681.70 = 13,166.28 : x
  2. Step 2: Convert to fraction form
    17,152.20/23,681.70 = 13,166.28/x
  3. Step 3: Cross multiply
    17,152.20x = 23,681.70 × 13,166.28
  4. Step 4: Simplify right side
    17,152.20x = 311,799,893.08
  5. Step 5: Solve for x
    x = 311,799,893.08/17,152.20
  6. Step 6: Final answer
    x = 18,178.42

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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.