Home / 15,328.20-22,992.30-10,079.40

Finding the Fourth Proportional to 15,328.20, 22,992.30 and 10,079.40

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Solution

The fourth proportional to 15,328.20, 22,992.30 and 10,079.40 is: 15,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.20 : 22,992.30 = 10,079.40 : x
  2. Step 2: Convert to fraction form
    15,328.20/22,992.30 = 10,079.40/x
  3. Step 3: Cross multiply
    15,328.20x = 22,992.30 × 10,079.40
  4. Step 4: Simplify right side
    15,328.20x = 231,748,588.62
  5. Step 5: Solve for x
    x = 231,748,588.62/15,328.20
  6. Step 6: Final answer
    x = 15,119.10

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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.