Home / 23,393.32-32,282.79-12,638.20

Finding the Fourth Proportional to 23,393.32, 32,282.79 and 12,638.20

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Solution

The fourth proportional to 23,393.32, 32,282.79 and 12,638.20 is: 17,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,393.32 : 32,282.79 = 12,638.20 : x
  2. Step 2: Convert to fraction form
    23,393.32/32,282.79 = 12,638.20/x
  3. Step 3: Cross multiply
    23,393.32x = 32,282.79 × 12,638.20
  4. Step 4: Simplify right side
    23,393.32x = 407,996,356.58
  5. Step 5: Solve for x
    x = 407,996,356.58/23,393.32
  6. Step 6: Final answer
    x = 17,440.72

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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.