Home / 23,374.64-32,278.56-15,005.72

Finding the Fourth Proportional to 23,374.64, 32,278.56 and 15,005.72

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Solution

The fourth proportional to 23,374.64, 32,278.56 and 15,005.72 is: 20,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,374.64 : 32,278.56 = 15,005.72 : x
  2. Step 2: Convert to fraction form
    23,374.64/32,278.56 = 15,005.72/x
  3. Step 3: Cross multiply
    23,374.64x = 32,278.56 × 15,005.72
  4. Step 4: Simplify right side
    23,374.64x = 484,363,033.36
  5. Step 5: Solve for x
    x = 484,363,033.36/23,374.64
  6. Step 6: Final answer
    x = 20,721.73

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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.