Home / 14,802.82-20,428.33-8,088.86

Finding the Fourth Proportional to 14,802.82, 20,428.33 and 8,088.86

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Solution

The fourth proportional to 14,802.82, 20,428.33 and 8,088.86 is: 11,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.82 : 20,428.33 = 8,088.86 : x
  2. Step 2: Convert to fraction form
    14,802.82/20,428.33 = 8,088.86/x
  3. Step 3: Cross multiply
    14,802.82x = 20,428.33 × 8,088.86
  4. Step 4: Simplify right side
    14,802.82x = 165,241,901.40
  5. Step 5: Solve for x
    x = 165,241,901.40/14,802.82
  6. Step 6: Final answer
    x = 11,162.87

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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.