Home / 19,519.11-26,936.18-10,566.38

Finding the Fourth Proportional to 19,519.11, 26,936.18 and 10,566.38

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Solution

The fourth proportional to 19,519.11, 26,936.18 and 10,566.38 is: 14,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.11 : 26,936.18 = 10,566.38 : x
  2. Step 2: Convert to fraction form
    19,519.11/26,936.18 = 10,566.38/x
  3. Step 3: Cross multiply
    19,519.11x = 26,936.18 × 10,566.38
  4. Step 4: Simplify right side
    19,519.11x = 284,617,913.63
  5. Step 5: Solve for x
    x = 284,617,913.63/19,519.11
  6. Step 6: Final answer
    x = 14,581.50

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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.