Home / 15,615.95-23,411.61-5,749.83

Finding the Fourth Proportional to 15,615.95, 23,411.61 and 5,749.83

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Solution

The fourth proportional to 15,615.95, 23,411.61 and 5,749.83 is: 8,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.95 : 23,411.61 = 5,749.83 : x
  2. Step 2: Convert to fraction form
    15,615.95/23,411.61 = 5,749.83/x
  3. Step 3: Cross multiply
    15,615.95x = 23,411.61 × 5,749.83
  4. Step 4: Simplify right side
    15,615.95x = 134,612,777.53
  5. Step 5: Solve for x
    x = 134,612,777.53/15,615.95
  6. Step 6: Final answer
    x = 8,620.21

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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.