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Finding the Fourth Proportional to 14,894.60, 22,341.90 and 12,488.90

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Solution

The fourth proportional to 14,894.60, 22,341.90 and 12,488.90 is: 18,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.60 : 22,341.90 = 12,488.90 : x
  2. Step 2: Convert to fraction form
    14,894.60/22,341.90 = 12,488.90/x
  3. Step 3: Cross multiply
    14,894.60x = 22,341.90 × 12,488.90
  4. Step 4: Simplify right side
    14,894.60x = 279,025,754.91
  5. Step 5: Solve for x
    x = 279,025,754.91/14,894.60
  6. Step 6: Final answer
    x = 18,733.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.