Home / 15,828.96-23,741.76-4,140.64

Finding the Fourth Proportional to 15,828.96, 23,741.76 and 4,140.64

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Solution

The fourth proportional to 15,828.96, 23,741.76 and 4,140.64 is: 6,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.96 : 23,741.76 = 4,140.64 : x
  2. Step 2: Convert to fraction form
    15,828.96/23,741.76 = 4,140.64/x
  3. Step 3: Cross multiply
    15,828.96x = 23,741.76 × 4,140.64
  4. Step 4: Simplify right side
    15,828.96x = 98,306,081.13
  5. Step 5: Solve for x
    x = 98,306,081.13/15,828.96
  6. Step 6: Final answer
    x = 6,210.52

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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.