Home / 15,811.84-23,719.16-4,125.04

Finding the Fourth Proportional to 15,811.84, 23,719.16 and 4,125.04

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Solution

The fourth proportional to 15,811.84, 23,719.16 and 4,125.04 is: 6,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.84 : 23,719.16 = 4,125.04 : x
  2. Step 2: Convert to fraction form
    15,811.84/23,719.16 = 4,125.04/x
  3. Step 3: Cross multiply
    15,811.84x = 23,719.16 × 4,125.04
  4. Step 4: Simplify right side
    15,811.84x = 97,842,483.77
  5. Step 5: Solve for x
    x = 97,842,483.77/15,811.84
  6. Step 6: Final answer
    x = 6,187.93

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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.