Home / 12,886.43-19,417.43-10,597.70

Finding the Fourth Proportional to 12,886.43, 19,417.43 and 10,597.70

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Solution

The fourth proportional to 12,886.43, 19,417.43 and 10,597.70 is: 15,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.43 : 19,417.43 = 10,597.70 : x
  2. Step 2: Convert to fraction form
    12,886.43/19,417.43 = 10,597.70/x
  3. Step 3: Cross multiply
    12,886.43x = 19,417.43 × 10,597.70
  4. Step 4: Simplify right side
    12,886.43x = 205,780,097.91
  5. Step 5: Solve for x
    x = 205,780,097.91/12,886.43
  6. Step 6: Final answer
    x = 15,968.74

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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.