Home / 15,782.30-23,677.09-4,688.74

Finding the Fourth Proportional to 15,782.30, 23,677.09 and 4,688.74

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Solution

The fourth proportional to 15,782.30, 23,677.09 and 4,688.74 is: 7,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.30 : 23,677.09 = 4,688.74 : x
  2. Step 2: Convert to fraction form
    15,782.30/23,677.09 = 4,688.74/x
  3. Step 3: Cross multiply
    15,782.30x = 23,677.09 × 4,688.74
  4. Step 4: Simplify right side
    15,782.30x = 111,015,718.97
  5. Step 5: Solve for x
    x = 111,015,718.97/15,782.30
  6. Step 6: Final answer
    x = 7,034.19

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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.