Home / 19,185.61-26,468.62-12,012.55

Finding the Fourth Proportional to 19,185.61, 26,468.62 and 12,012.55

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Solution

The fourth proportional to 19,185.61, 26,468.62 and 12,012.55 is: 16,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.61 : 26,468.62 = 12,012.55 : x
  2. Step 2: Convert to fraction form
    19,185.61/26,468.62 = 12,012.55/x
  3. Step 3: Cross multiply
    19,185.61x = 26,468.62 × 12,012.55
  4. Step 4: Simplify right side
    19,185.61x = 317,955,741.43
  5. Step 5: Solve for x
    x = 317,955,741.43/19,185.61
  6. Step 6: Final answer
    x = 16,572.62

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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.