Home / 25,125.72-34,672.14-13,947

Finding the Fourth Proportional to 25,125.72, 34,672.14 and 13,947

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Solution

The fourth proportional to 25,125.72, 34,672.14 and 13,947 is: 19,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.72 : 34,672.14 = 13,947 : x
  2. Step 2: Convert to fraction form
    25,125.72/34,672.14 = 13,947/x
  3. Step 3: Cross multiply
    25,125.72x = 34,672.14 × 13,947
  4. Step 4: Simplify right side
    25,125.72x = 483,572,336.58
  5. Step 5: Solve for x
    x = 483,572,336.58/25,125.72
  6. Step 6: Final answer
    x = 19,246.11

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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.