Home / 25,947.40-38,920.70-17,606.68

Finding the Fourth Proportional to 25,947.40, 38,920.70 and 17,606.68

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Solution

The fourth proportional to 25,947.40, 38,920.70 and 17,606.68 is: 26,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.40 : 38,920.70 = 17,606.68 : x
  2. Step 2: Convert to fraction form
    25,947.40/38,920.70 = 17,606.68/x
  3. Step 3: Cross multiply
    25,947.40x = 38,920.70 × 17,606.68
  4. Step 4: Simplify right side
    25,947.40x = 685,264,310.28
  5. Step 5: Solve for x
    x = 685,264,310.28/25,947.40
  6. Step 6: Final answer
    x = 26,409.75

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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.