Home / 22,990.74-31,730.16-14,036.33

Finding the Fourth Proportional to 22,990.74, 31,730.16 and 14,036.33

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Solution

The fourth proportional to 22,990.74, 31,730.16 and 14,036.33 is: 19,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.74 : 31,730.16 = 14,036.33 : x
  2. Step 2: Convert to fraction form
    22,990.74/31,730.16 = 14,036.33/x
  3. Step 3: Cross multiply
    22,990.74x = 31,730.16 × 14,036.33
  4. Step 4: Simplify right side
    22,990.74x = 445,374,838.06
  5. Step 5: Solve for x
    x = 445,374,838.06/22,990.74
  6. Step 6: Final answer
    x = 19,371.92

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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.