Home / 15,615.18-23,432.49-5,756.67

Finding the Fourth Proportional to 15,615.18, 23,432.49 and 5,756.67

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Solution

The fourth proportional to 15,615.18, 23,432.49 and 5,756.67 is: 8,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.18 : 23,432.49 = 5,756.67 : x
  2. Step 2: Convert to fraction form
    15,615.18/23,432.49 = 5,756.67/x
  3. Step 3: Cross multiply
    15,615.18x = 23,432.49 × 5,756.67
  4. Step 4: Simplify right side
    15,615.18x = 134,893,112.21
  5. Step 5: Solve for x
    x = 134,893,112.21/15,615.18
  6. Step 6: Final answer
    x = 8,638.59

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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.