Home / 19,002.50-28,513.48-8,475.74

Finding the Fourth Proportional to 19,002.50, 28,513.48 and 8,475.74

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Solution

The fourth proportional to 19,002.50, 28,513.48 and 8,475.74 is: 12,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.50 : 28,513.48 = 8,475.74 : x
  2. Step 2: Convert to fraction form
    19,002.50/28,513.48 = 8,475.74/x
  3. Step 3: Cross multiply
    19,002.50x = 28,513.48 × 8,475.74
  4. Step 4: Simplify right side
    19,002.50x = 241,672,842.98
  5. Step 5: Solve for x
    x = 241,672,842.98/19,002.50
  6. Step 6: Final answer
    x = 12,717.95

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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.