Home / 19,886.25-29,764.45-14,619.87

Finding the Fourth Proportional to 19,886.25, 29,764.45 and 14,619.87

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Solution

The fourth proportional to 19,886.25, 29,764.45 and 14,619.87 is: 21,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.25 : 29,764.45 = 14,619.87 : x
  2. Step 2: Convert to fraction form
    19,886.25/29,764.45 = 14,619.87/x
  3. Step 3: Cross multiply
    19,886.25x = 29,764.45 × 14,619.87
  4. Step 4: Simplify right side
    19,886.25x = 435,152,389.62
  5. Step 5: Solve for x
    x = 435,152,389.62/19,886.25
  6. Step 6: Final answer
    x = 21,882.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.