Home / 14,316.63-19,775.88-11,934.39

Finding the Fourth Proportional to 14,316.63, 19,775.88 and 11,934.39

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Solution

The fourth proportional to 14,316.63, 19,775.88 and 11,934.39 is: 16,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.63 : 19,775.88 = 11,934.39 : x
  2. Step 2: Convert to fraction form
    14,316.63/19,775.88 = 11,934.39/x
  3. Step 3: Cross multiply
    14,316.63x = 19,775.88 × 11,934.39
  4. Step 4: Simplify right side
    14,316.63x = 236,013,027.43
  5. Step 5: Solve for x
    x = 236,013,027.43/14,316.63
  6. Step 6: Final answer
    x = 16,485.23

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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.