Home / 19,152.93-28,720.14-6,672.66

Finding the Fourth Proportional to 19,152.93, 28,720.14 and 6,672.66

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Solution

The fourth proportional to 19,152.93, 28,720.14 and 6,672.66 is: 10,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.93 : 28,720.14 = 6,672.66 : x
  2. Step 2: Convert to fraction form
    19,152.93/28,720.14 = 6,672.66/x
  3. Step 3: Cross multiply
    19,152.93x = 28,720.14 × 6,672.66
  4. Step 4: Simplify right side
    19,152.93x = 191,639,729.37
  5. Step 5: Solve for x
    x = 191,639,729.37/19,152.93
  6. Step 6: Final answer
    x = 10,005.77

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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.