Home / 12,764.48-19,152.18-6,925.28

Finding the Fourth Proportional to 12,764.48, 19,152.18 and 6,925.28

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Solution

The fourth proportional to 12,764.48, 19,152.18 and 6,925.28 is: 10,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.48 : 19,152.18 = 6,925.28 : x
  2. Step 2: Convert to fraction form
    12,764.48/19,152.18 = 6,925.28/x
  3. Step 3: Cross multiply
    12,764.48x = 19,152.18 × 6,925.28
  4. Step 4: Simplify right side
    12,764.48x = 132,634,209.11
  5. Step 5: Solve for x
    x = 132,634,209.11/12,764.48
  6. Step 6: Final answer
    x = 10,390.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.