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Finding the Fourth Proportional to 14,697.60, 22,046.40 and 12,364.80

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Solution

The fourth proportional to 14,697.60, 22,046.40 and 12,364.80 is: 18,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.60 : 22,046.40 = 12,364.80 : x
  2. Step 2: Convert to fraction form
    14,697.60/22,046.40 = 12,364.80/x
  3. Step 3: Cross multiply
    14,697.60x = 22,046.40 × 12,364.80
  4. Step 4: Simplify right side
    14,697.60x = 272,599,326.72
  5. Step 5: Solve for x
    x = 272,599,326.72/14,697.60
  6. Step 6: Final answer
    x = 18,547.20

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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.