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Finding the Fourth Proportional to 14,498.19, 20,007.54 and 8,210.57

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Solution

The fourth proportional to 14,498.19, 20,007.54 and 8,210.57 is: 11,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.19 : 20,007.54 = 8,210.57 : x
  2. Step 2: Convert to fraction form
    14,498.19/20,007.54 = 8,210.57/x
  3. Step 3: Cross multiply
    14,498.19x = 20,007.54 × 8,210.57
  4. Step 4: Simplify right side
    14,498.19x = 164,273,207.66
  5. Step 5: Solve for x
    x = 164,273,207.66/14,498.19
  6. Step 6: Final answer
    x = 11,330.60

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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.