Home / 12,233.95-18,355.28-7,548.50

Finding the Fourth Proportional to 12,233.95, 18,355.28 and 7,548.50

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Solution

The fourth proportional to 12,233.95, 18,355.28 and 7,548.50 is: 11,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.95 : 18,355.28 = 7,548.50 : x
  2. Step 2: Convert to fraction form
    12,233.95/18,355.28 = 7,548.50/x
  3. Step 3: Cross multiply
    12,233.95x = 18,355.28 × 7,548.50
  4. Step 4: Simplify right side
    12,233.95x = 138,554,839.23
  5. Step 5: Solve for x
    x = 138,554,839.23/12,233.95
  6. Step 6: Final answer
    x = 11,325.44

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Double scale
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1.5x scale

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.