Home / 13,944.01-19,214.13-12,959.59

Finding the Fourth Proportional to 13,944.01, 19,214.13 and 12,959.59

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Solution

The fourth proportional to 13,944.01, 19,214.13 and 12,959.59 is: 17,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.01 : 19,214.13 = 12,959.59 : x
  2. Step 2: Convert to fraction form
    13,944.01/19,214.13 = 12,959.59/x
  3. Step 3: Cross multiply
    13,944.01x = 19,214.13 × 12,959.59
  4. Step 4: Simplify right side
    13,944.01x = 249,007,262.64
  5. Step 5: Solve for x
    x = 249,007,262.64/13,944.01
  6. Step 6: Final answer
    x = 17,857.65

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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.