Home / 19,368.93-29,065.68-8,275.70

Finding the Fourth Proportional to 19,368.93, 29,065.68 and 8,275.70

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Solution

The fourth proportional to 19,368.93, 29,065.68 and 8,275.70 is: 12,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.93 : 29,065.68 = 8,275.70 : x
  2. Step 2: Convert to fraction form
    19,368.93/29,065.68 = 8,275.70/x
  3. Step 3: Cross multiply
    19,368.93x = 29,065.68 × 8,275.70
  4. Step 4: Simplify right side
    19,368.93x = 240,538,847.98
  5. Step 5: Solve for x
    x = 240,538,847.98/19,368.93
  6. Step 6: Final answer
    x = 12,418.80

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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.