Home / 16,230.90-24,348.06-5,139.12

Finding the Fourth Proportional to 16,230.90, 24,348.06 and 5,139.12

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Solution

The fourth proportional to 16,230.90, 24,348.06 and 5,139.12 is: 7,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.90 : 24,348.06 = 5,139.12 : x
  2. Step 2: Convert to fraction form
    16,230.90/24,348.06 = 5,139.12/x
  3. Step 3: Cross multiply
    16,230.90x = 24,348.06 × 5,139.12
  4. Step 4: Simplify right side
    16,230.90x = 125,127,602.11
  5. Step 5: Solve for x
    x = 125,127,602.11/16,230.90
  6. Step 6: Final answer
    x = 7,709.22

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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.