Home / 18,877.32-26,037.96-14,390.64

Finding the Fourth Proportional to 18,877.32, 26,037.96 and 14,390.64

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Solution

The fourth proportional to 18,877.32, 26,037.96 and 14,390.64 is: 19,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.32 : 26,037.96 = 14,390.64 : x
  2. Step 2: Convert to fraction form
    18,877.32/26,037.96 = 14,390.64/x
  3. Step 3: Cross multiply
    18,877.32x = 26,037.96 × 14,390.64
  4. Step 4: Simplify right side
    18,877.32x = 374,702,908.69
  5. Step 5: Solve for x
    x = 374,702,908.69/18,877.32
  6. Step 6: Final answer
    x = 19,849.37

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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.