Home / 13,426.54-18,462.90-11,655.04

Finding the Fourth Proportional to 13,426.54, 18,462.90 and 11,655.04

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Solution

The fourth proportional to 13,426.54, 18,462.90 and 11,655.04 is: 16,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.54 : 18,462.90 = 11,655.04 : x
  2. Step 2: Convert to fraction form
    13,426.54/18,462.90 = 11,655.04/x
  3. Step 3: Cross multiply
    13,426.54x = 18,462.90 × 11,655.04
  4. Step 4: Simplify right side
    13,426.54x = 215,185,838.02
  5. Step 5: Solve for x
    x = 215,185,838.02/13,426.54
  6. Step 6: Final answer
    x = 16,026.90

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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.