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Finding the Fourth Proportional to 14,802.58, 20,427.21 and 8,088.22

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Solution

The fourth proportional to 14,802.58, 20,427.21 and 8,088.22 is: 11,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.58 : 20,427.21 = 8,088.22 : x
  2. Step 2: Convert to fraction form
    14,802.58/20,427.21 = 8,088.22/x
  3. Step 3: Cross multiply
    14,802.58x = 20,427.21 × 8,088.22
  4. Step 4: Simplify right side
    14,802.58x = 165,219,717.40
  5. Step 5: Solve for x
    x = 165,219,717.40/14,802.58
  6. Step 6: Final answer
    x = 11,161.55

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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.