Home / 19,732.07-27,229.81-10,779.61

Finding the Fourth Proportional to 19,732.07, 27,229.81 and 10,779.61

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Solution

The fourth proportional to 19,732.07, 27,229.81 and 10,779.61 is: 14,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.07 : 27,229.81 = 10,779.61 : x
  2. Step 2: Convert to fraction form
    19,732.07/27,229.81 = 10,779.61/x
  3. Step 3: Cross multiply
    19,732.07x = 27,229.81 × 10,779.61
  4. Step 4: Simplify right side
    19,732.07x = 293,526,732.17
  5. Step 5: Solve for x
    x = 293,526,732.17/19,732.07
  6. Step 6: Final answer
    x = 14,875.62

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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.