Home / 19,152.16-28,711.18-7,462.72

Finding the Fourth Proportional to 19,152.16, 28,711.18 and 7,462.72

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Solution

The fourth proportional to 19,152.16, 28,711.18 and 7,462.72 is: 11,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.16 : 28,711.18 = 7,462.72 : x
  2. Step 2: Convert to fraction form
    19,152.16/28,711.18 = 7,462.72/x
  3. Step 3: Cross multiply
    19,152.16x = 28,711.18 × 7,462.72
  4. Step 4: Simplify right side
    19,152.16x = 214,263,497.21
  5. Step 5: Solve for x
    x = 214,263,497.21/19,152.16
  6. Step 6: Final answer
    x = 11,187.43

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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.