Home / 19,277.20-28,872.60-10,032.40

Finding the Fourth Proportional to 19,277.20, 28,872.60 and 10,032.40

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Solution

The fourth proportional to 19,277.20, 28,872.60 and 10,032.40 is: 15,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.20 : 28,872.60 = 10,032.40 : x
  2. Step 2: Convert to fraction form
    19,277.20/28,872.60 = 10,032.40/x
  3. Step 3: Cross multiply
    19,277.20x = 28,872.60 × 10,032.40
  4. Step 4: Simplify right side
    19,277.20x = 289,661,472.24
  5. Step 5: Solve for x
    x = 289,661,472.24/19,277.20
  6. Step 6: Final answer
    x = 15,026.12

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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.