Home / 15,871.34-23,810.46-4,777.18

Finding the Fourth Proportional to 15,871.34, 23,810.46 and 4,777.18

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Solution

The fourth proportional to 15,871.34, 23,810.46 and 4,777.18 is: 7,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.34 : 23,810.46 = 4,777.18 : x
  2. Step 2: Convert to fraction form
    15,871.34/23,810.46 = 4,777.18/x
  3. Step 3: Cross multiply
    15,871.34x = 23,810.46 × 4,777.18
  4. Step 4: Simplify right side
    15,871.34x = 113,746,775.86
  5. Step 5: Solve for x
    x = 113,746,775.86/15,871.34
  6. Step 6: Final answer
    x = 7,166.80

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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.