Home / 16,315.70-24,470.60-7,428.90

Finding the Fourth Proportional to 16,315.70, 24,470.60 and 7,428.90

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Solution

The fourth proportional to 16,315.70, 24,470.60 and 7,428.90 is: 11,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.70 : 24,470.60 = 7,428.90 : x
  2. Step 2: Convert to fraction form
    16,315.70/24,470.60 = 7,428.90/x
  3. Step 3: Cross multiply
    16,315.70x = 24,470.60 × 7,428.90
  4. Step 4: Simplify right side
    16,315.70x = 181,789,603.20
  5. Step 5: Solve for x
    x = 181,789,603.20/16,315.70
  6. Step 6: Final answer
    x = 11,142.01

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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.