Home / 13,161.64-18,178.15-9,592.51

Finding the Fourth Proportional to 13,161.64, 18,178.15 and 9,592.51

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Solution

The fourth proportional to 13,161.64, 18,178.15 and 9,592.51 is: 13,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.64 : 18,178.15 = 9,592.51 : x
  2. Step 2: Convert to fraction form
    13,161.64/18,178.15 = 9,592.51/x
  3. Step 3: Cross multiply
    13,161.64x = 18,178.15 × 9,592.51
  4. Step 4: Simplify right side
    13,161.64x = 174,374,016.23
  5. Step 5: Solve for x
    x = 174,374,016.23/13,161.64
  6. Step 6: Final answer
    x = 13,248.66

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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.