Home / 19,473.42-26,855.68-12,756.60

Finding the Fourth Proportional to 19,473.42, 26,855.68 and 12,756.60

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Solution

The fourth proportional to 19,473.42, 26,855.68 and 12,756.60 is: 17,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.42 : 26,855.68 = 12,756.60 : x
  2. Step 2: Convert to fraction form
    19,473.42/26,855.68 = 12,756.60/x
  3. Step 3: Cross multiply
    19,473.42x = 26,855.68 × 12,756.60
  4. Step 4: Simplify right side
    19,473.42x = 342,587,167.49
  5. Step 5: Solve for x
    x = 342,587,167.49/19,473.42
  6. Step 6: Final answer
    x = 17,592.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.