Home / 25,616.70-38,422.89-14,488.38

Finding the Fourth Proportional to 25,616.70, 38,422.89 and 14,488.38

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Solution

The fourth proportional to 25,616.70, 38,422.89 and 14,488.38 is: 21,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.70 : 38,422.89 = 14,488.38 : x
  2. Step 2: Convert to fraction form
    25,616.70/38,422.89 = 14,488.38/x
  3. Step 3: Cross multiply
    25,616.70x = 38,422.89 × 14,488.38
  4. Step 4: Simplify right side
    25,616.70x = 556,685,431.02
  5. Step 5: Solve for x
    x = 556,685,431.02/25,616.70
  6. Step 6: Final answer
    x = 21,731.35

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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.