Home / 14,802.48-20,431.98-8,519.04

Finding the Fourth Proportional to 14,802.48, 20,431.98 and 8,519.04

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Solution

The fourth proportional to 14,802.48, 20,431.98 and 8,519.04 is: 11,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.48 : 20,431.98 = 8,519.04 : x
  2. Step 2: Convert to fraction form
    14,802.48/20,431.98 = 8,519.04/x
  3. Step 3: Cross multiply
    14,802.48x = 20,431.98 × 8,519.04
  4. Step 4: Simplify right side
    14,802.48x = 174,060,854.90
  5. Step 5: Solve for x
    x = 174,060,854.90/14,802.48
  6. Step 6: Final answer
    x = 11,758.90

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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.