Home / 14,483.89-19,997.45-9,766.45

Finding the Fourth Proportional to 14,483.89, 19,997.45 and 9,766.45

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Solution

The fourth proportional to 14,483.89, 19,997.45 and 9,766.45 is: 13,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.89 : 19,997.45 = 9,766.45 : x
  2. Step 2: Convert to fraction form
    14,483.89/19,997.45 = 9,766.45/x
  3. Step 3: Cross multiply
    14,483.89x = 19,997.45 × 9,766.45
  4. Step 4: Simplify right side
    14,483.89x = 195,304,095.55
  5. Step 5: Solve for x
    x = 195,304,095.55/14,483.89
  6. Step 6: Final answer
    x = 13,484.23

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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.