Home / 19,897.08-27,458.13-10,822.47

Finding the Fourth Proportional to 19,897.08, 27,458.13 and 10,822.47

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Solution

The fourth proportional to 19,897.08, 27,458.13 and 10,822.47 is: 14,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.08 : 27,458.13 = 10,822.47 : x
  2. Step 2: Convert to fraction form
    19,897.08/27,458.13 = 10,822.47/x
  3. Step 3: Cross multiply
    19,897.08x = 27,458.13 × 10,822.47
  4. Step 4: Simplify right side
    19,897.08x = 297,164,788.18
  5. Step 5: Solve for x
    x = 297,164,788.18/19,897.08
  6. Step 6: Final answer
    x = 14,935.10

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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.