Home / 19,557.39-26,982.12-12,846.63

Finding the Fourth Proportional to 19,557.39, 26,982.12 and 12,846.63

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Solution

The fourth proportional to 19,557.39, 26,982.12 and 12,846.63 is: 17,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.39 : 26,982.12 = 12,846.63 : x
  2. Step 2: Convert to fraction form
    19,557.39/26,982.12 = 12,846.63/x
  3. Step 3: Cross multiply
    19,557.39x = 26,982.12 × 12,846.63
  4. Step 4: Simplify right side
    19,557.39x = 346,629,312.26
  5. Step 5: Solve for x
    x = 346,629,312.26/19,557.39
  6. Step 6: Final answer
    x = 17,723.70

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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.