Home / 19,935.78-27,537.65-14,891.25

Finding the Fourth Proportional to 19,935.78, 27,537.65 and 14,891.25

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Solution

The fourth proportional to 19,935.78, 27,537.65 and 14,891.25 is: 20,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.78 : 27,537.65 = 14,891.25 : x
  2. Step 2: Convert to fraction form
    19,935.78/27,537.65 = 14,891.25/x
  3. Step 3: Cross multiply
    19,935.78x = 27,537.65 × 14,891.25
  4. Step 4: Simplify right side
    19,935.78x = 410,069,956.11
  5. Step 5: Solve for x
    x = 410,069,956.11/19,935.78
  6. Step 6: Final answer
    x = 20,569.55

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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.