Home / 19,897.78-27,458.43-10,823.04

Finding the Fourth Proportional to 19,897.78, 27,458.43 and 10,823.04

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Solution

The fourth proportional to 19,897.78, 27,458.43 and 10,823.04 is: 14,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.78 : 27,458.43 = 10,823.04 : x
  2. Step 2: Convert to fraction form
    19,897.78/27,458.43 = 10,823.04/x
  3. Step 3: Cross multiply
    19,897.78x = 27,458.43 × 10,823.04
  4. Step 4: Simplify right side
    19,897.78x = 297,183,686.23
  5. Step 5: Solve for x
    x = 297,183,686.23/19,897.78
  6. Step 6: Final answer
    x = 14,935.52

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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.