Home / 19,818.67-27,348.41-10,864.32

Finding the Fourth Proportional to 19,818.67, 27,348.41 and 10,864.32

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Solution

The fourth proportional to 19,818.67, 27,348.41 and 10,864.32 is: 14,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.67 : 27,348.41 = 10,864.32 : x
  2. Step 2: Convert to fraction form
    19,818.67/27,348.41 = 10,864.32/x
  3. Step 3: Cross multiply
    19,818.67x = 27,348.41 × 10,864.32
  4. Step 4: Simplify right side
    19,818.67x = 297,121,904.89
  5. Step 5: Solve for x
    x = 297,121,904.89/19,818.67
  6. Step 6: Final answer
    x = 14,992.02

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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.