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Finding the Fourth Proportional to 14,894.60, 22,341.90 and 12,707.60

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Solution

The fourth proportional to 14,894.60, 22,341.90 and 12,707.60 is: 19,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.60 : 22,341.90 = 12,707.60 : x
  2. Step 2: Convert to fraction form
    14,894.60/22,341.90 = 12,707.60/x
  3. Step 3: Cross multiply
    14,894.60x = 22,341.90 × 12,707.60
  4. Step 4: Simplify right side
    14,894.60x = 283,911,928.44
  5. Step 5: Solve for x
    x = 283,911,928.44/14,894.60
  6. Step 6: Final answer
    x = 19,061.40

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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.