Home / 22,387.01-30,887.79-14,433.89

Finding the Fourth Proportional to 22,387.01, 30,887.79 and 14,433.89

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Solution

The fourth proportional to 22,387.01, 30,887.79 and 14,433.89 is: 19,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,387.01 : 30,887.79 = 14,433.89 : x
  2. Step 2: Convert to fraction form
    22,387.01/30,887.79 = 14,433.89/x
  3. Step 3: Cross multiply
    22,387.01x = 30,887.79 × 14,433.89
  4. Step 4: Simplify right side
    22,387.01x = 445,830,963.20
  5. Step 5: Solve for x
    x = 445,830,963.20/22,387.01
  6. Step 6: Final answer
    x = 19,914.72

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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.