Home / 19,558.14-26,983.16-12,847.40

Finding the Fourth Proportional to 19,558.14, 26,983.16 and 12,847.40

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Solution

The fourth proportional to 19,558.14, 26,983.16 and 12,847.40 is: 17,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.14 : 26,983.16 = 12,847.40 : x
  2. Step 2: Convert to fraction form
    19,558.14/26,983.16 = 12,847.40/x
  3. Step 3: Cross multiply
    19,558.14x = 26,983.16 × 12,847.40
  4. Step 4: Simplify right side
    19,558.14x = 346,663,449.78
  5. Step 5: Solve for x
    x = 346,663,449.78/19,558.14
  6. Step 6: Final answer
    x = 17,724.77

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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.