Home / 19,851.30-27,394.67-10,898.94

Finding the Fourth Proportional to 19,851.30, 27,394.67 and 10,898.94

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Solution

The fourth proportional to 19,851.30, 27,394.67 and 10,898.94 is: 15,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.30 : 27,394.67 = 10,898.94 : x
  2. Step 2: Convert to fraction form
    19,851.30/27,394.67 = 10,898.94/x
  3. Step 3: Cross multiply
    19,851.30x = 27,394.67 × 10,898.94
  4. Step 4: Simplify right side
    19,851.30x = 298,572,864.65
  5. Step 5: Solve for x
    x = 298,572,864.65/19,851.30
  6. Step 6: Final answer
    x = 15,040.47

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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.