Home / 23,378.24-32,261.72-12,768.32

Finding the Fourth Proportional to 23,378.24, 32,261.72 and 12,768.32

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Solution

The fourth proportional to 23,378.24, 32,261.72 and 12,768.32 is: 17,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378.24 : 32,261.72 = 12,768.32 : x
  2. Step 2: Convert to fraction form
    23,378.24/32,261.72 = 12,768.32/x
  3. Step 3: Cross multiply
    23,378.24x = 32,261.72 × 12,768.32
  4. Step 4: Simplify right side
    23,378.24x = 411,927,964.71
  5. Step 5: Solve for x
    x = 411,927,964.71/23,378.24
  6. Step 6: Final answer
    x = 17,620.14

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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.