Home / 19,641.39-27,073.64-13,265.98

Finding the Fourth Proportional to 19,641.39, 27,073.64 and 13,265.98

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Solution

The fourth proportional to 19,641.39, 27,073.64 and 13,265.98 is: 18,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.39 : 27,073.64 = 13,265.98 : x
  2. Step 2: Convert to fraction form
    19,641.39/27,073.64 = 13,265.98/x
  3. Step 3: Cross multiply
    19,641.39x = 27,073.64 × 13,265.98
  4. Step 4: Simplify right side
    19,641.39x = 359,158,332.25
  5. Step 5: Solve for x
    x = 359,158,332.25/19,641.39
  6. Step 6: Final answer
    x = 18,285.79

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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.