Home / 14,669.99-20,261.19-13,507.46

Finding the Fourth Proportional to 14,669.99, 20,261.19 and 13,507.46

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Solution

The fourth proportional to 14,669.99, 20,261.19 and 13,507.46 is: 18,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.99 : 20,261.19 = 13,507.46 : x
  2. Step 2: Convert to fraction form
    14,669.99/20,261.19 = 13,507.46/x
  3. Step 3: Cross multiply
    14,669.99x = 20,261.19 × 13,507.46
  4. Step 4: Simplify right side
    14,669.99x = 273,677,162.82
  5. Step 5: Solve for x
    x = 273,677,162.82/14,669.99
  6. Step 6: Final answer
    x = 18,655.58

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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.