Home / 15,920.74-23,881.04-4,233.96

Finding the Fourth Proportional to 15,920.74, 23,881.04 and 4,233.96

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Solution

The fourth proportional to 15,920.74, 23,881.04 and 4,233.96 is: 6,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.74 : 23,881.04 = 4,233.96 : x
  2. Step 2: Convert to fraction form
    15,920.74/23,881.04 = 4,233.96/x
  3. Step 3: Cross multiply
    15,920.74x = 23,881.04 × 4,233.96
  4. Step 4: Simplify right side
    15,920.74x = 101,111,368.12
  5. Step 5: Solve for x
    x = 101,111,368.12/15,920.74
  6. Step 6: Final answer
    x = 6,350.92

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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.