Home / 18,897.14-26,078.25-10,830.62

Finding the Fourth Proportional to 18,897.14, 26,078.25 and 10,830.62

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Solution

The fourth proportional to 18,897.14, 26,078.25 and 10,830.62 is: 14,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.14 : 26,078.25 = 10,830.62 : x
  2. Step 2: Convert to fraction form
    18,897.14/26,078.25 = 10,830.62/x
  3. Step 3: Cross multiply
    18,897.14x = 26,078.25 × 10,830.62
  4. Step 4: Simplify right side
    18,897.14x = 282,443,502.09
  5. Step 5: Solve for x
    x = 282,443,502.09/18,897.14
  6. Step 6: Final answer
    x = 14,946.36

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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.