Home / 14,432.63-19,917.33-7,972.23

Finding the Fourth Proportional to 14,432.63, 19,917.33 and 7,972.23

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Solution

The fourth proportional to 14,432.63, 19,917.33 and 7,972.23 is: 11,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.63 : 19,917.33 = 7,972.23 : x
  2. Step 2: Convert to fraction form
    14,432.63/19,917.33 = 7,972.23/x
  3. Step 3: Cross multiply
    14,432.63x = 19,917.33 × 7,972.23
  4. Step 4: Simplify right side
    14,432.63x = 158,785,535.75
  5. Step 5: Solve for x
    x = 158,785,535.75/14,432.63
  6. Step 6: Final answer
    x = 11,001.85

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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.