Home / 15,148.22-22,719.58-4,615.72

Finding the Fourth Proportional to 15,148.22, 22,719.58 and 4,615.72

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Solution

The fourth proportional to 15,148.22, 22,719.58 and 4,615.72 is: 6,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.22 : 22,719.58 = 4,615.72 : x
  2. Step 2: Convert to fraction form
    15,148.22/22,719.58 = 4,615.72/x
  3. Step 3: Cross multiply
    15,148.22x = 22,719.58 × 4,615.72
  4. Step 4: Simplify right side
    15,148.22x = 104,867,219.80
  5. Step 5: Solve for x
    x = 104,867,219.80/15,148.22
  6. Step 6: Final answer
    x = 6,922.74

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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.