Home / 19,715.96-27,207.96-11,758.52

Finding the Fourth Proportional to 19,715.96, 27,207.96 and 11,758.52

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Solution

The fourth proportional to 19,715.96, 27,207.96 and 11,758.52 is: 16,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.96 : 27,207.96 = 11,758.52 : x
  2. Step 2: Convert to fraction form
    19,715.96/27,207.96 = 11,758.52/x
  3. Step 3: Cross multiply
    19,715.96x = 27,207.96 × 11,758.52
  4. Step 4: Simplify right side
    19,715.96x = 319,925,341.82
  5. Step 5: Solve for x
    x = 319,925,341.82/19,715.96
  6. Step 6: Final answer
    x = 16,226.72

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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.