Home / 12,356.53-17,054.60-11,360.23

Finding the Fourth Proportional to 12,356.53, 17,054.60 and 11,360.23

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Solution

The fourth proportional to 12,356.53, 17,054.60 and 11,360.23 is: 15,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.53 : 17,054.60 = 11,360.23 : x
  2. Step 2: Convert to fraction form
    12,356.53/17,054.60 = 11,360.23/x
  3. Step 3: Cross multiply
    12,356.53x = 17,054.60 × 11,360.23
  4. Step 4: Simplify right side
    12,356.53x = 193,744,079.12
  5. Step 5: Solve for x
    x = 193,744,079.12/12,356.53
  6. Step 6: Final answer
    x = 15,679.49

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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.