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Finding the Fourth Proportional to 18,095.78, 24,946.71 and 14,897.90

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Solution

The fourth proportional to 18,095.78, 24,946.71 and 14,897.90 is: 20,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.78 : 24,946.71 = 14,897.90 : x
  2. Step 2: Convert to fraction form
    18,095.78/24,946.71 = 14,897.90/x
  3. Step 3: Cross multiply
    18,095.78x = 24,946.71 × 14,897.90
  4. Step 4: Simplify right side
    18,095.78x = 371,653,590.91
  5. Step 5: Solve for x
    x = 371,653,590.91/18,095.78
  6. Step 6: Final answer
    x = 20,538.14

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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.