Home / 12,886.68-19,417.82-10,597.96

Finding the Fourth Proportional to 12,886.68, 19,417.82 and 10,597.96

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Solution

The fourth proportional to 12,886.68, 19,417.82 and 10,597.96 is: 15,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.68 : 19,417.82 = 10,597.96 : x
  2. Step 2: Convert to fraction form
    12,886.68/19,417.82 = 10,597.96/x
  3. Step 3: Cross multiply
    12,886.68x = 19,417.82 × 10,597.96
  4. Step 4: Simplify right side
    12,886.68x = 205,789,250.93
  5. Step 5: Solve for x
    x = 205,789,250.93/12,886.68
  6. Step 6: Final answer
    x = 15,969.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.