Home / 15,920.10-23,880.12-4,233.33

Finding the Fourth Proportional to 15,920.10, 23,880.12 and 4,233.33

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Solution

The fourth proportional to 15,920.10, 23,880.12 and 4,233.33 is: 6,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.10 : 23,880.12 = 4,233.33 : x
  2. Step 2: Convert to fraction form
    15,920.10/23,880.12 = 4,233.33/x
  3. Step 3: Cross multiply
    15,920.10x = 23,880.12 × 4,233.33
  4. Step 4: Simplify right side
    15,920.10x = 101,092,428.40
  5. Step 5: Solve for x
    x = 101,092,428.40/15,920.10
  6. Step 6: Final answer
    x = 6,349.99

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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.