Home / 19,159.64-26,425.30-12,447.42

Finding the Fourth Proportional to 19,159.64, 26,425.30 and 12,447.42

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Solution

The fourth proportional to 19,159.64, 26,425.30 and 12,447.42 is: 17,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.64 : 26,425.30 = 12,447.42 : x
  2. Step 2: Convert to fraction form
    19,159.64/26,425.30 = 12,447.42/x
  3. Step 3: Cross multiply
    19,159.64x = 26,425.30 × 12,447.42
  4. Step 4: Simplify right side
    19,159.64x = 328,926,807.73
  5. Step 5: Solve for x
    x = 328,926,807.73/19,159.64
  6. Step 6: Final answer
    x = 17,167.69

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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.