Home / 19,133.05-28,646.31-14,438.83

Finding the Fourth Proportional to 19,133.05, 28,646.31 and 14,438.83

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Solution

The fourth proportional to 19,133.05, 28,646.31 and 14,438.83 is: 21,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.05 : 28,646.31 = 14,438.83 : x
  2. Step 2: Convert to fraction form
    19,133.05/28,646.31 = 14,438.83/x
  3. Step 3: Cross multiply
    19,133.05x = 28,646.31 × 14,438.83
  4. Step 4: Simplify right side
    19,133.05x = 413,619,128.60
  5. Step 5: Solve for x
    x = 413,619,128.60/19,133.05
  6. Step 6: Final answer
    x = 21,618.05

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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.