Home / 22,991.13-31,730.67-14,036.70

Finding the Fourth Proportional to 22,991.13, 31,730.67 and 14,036.70

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Solution

The fourth proportional to 22,991.13, 31,730.67 and 14,036.70 is: 19,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.13 : 31,730.67 = 14,036.70 : x
  2. Step 2: Convert to fraction form
    22,991.13/31,730.67 = 14,036.70/x
  3. Step 3: Cross multiply
    22,991.13x = 31,730.67 × 14,036.70
  4. Step 4: Simplify right side
    22,991.13x = 445,393,895.59
  5. Step 5: Solve for x
    x = 445,393,895.59/22,991.13
  6. Step 6: Final answer
    x = 19,372.42

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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.