Home / 18,294.19-27,443.12-4,967.40

Finding the Fourth Proportional to 18,294.19, 27,443.12 and 4,967.40

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Solution

The fourth proportional to 18,294.19, 27,443.12 and 4,967.40 is: 7,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.19 : 27,443.12 = 4,967.40 : x
  2. Step 2: Convert to fraction form
    18,294.19/27,443.12 = 4,967.40/x
  3. Step 3: Cross multiply
    18,294.19x = 27,443.12 × 4,967.40
  4. Step 4: Simplify right side
    18,294.19x = 136,321,050.99
  5. Step 5: Solve for x
    x = 136,321,050.99/18,294.19
  6. Step 6: Final answer
    x = 7,451.60

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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.