Home / 25,436.96-38,161.76-17,955.12

Finding the Fourth Proportional to 25,436.96, 38,161.76 and 17,955.12

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Solution

The fourth proportional to 25,436.96, 38,161.76 and 17,955.12 is: 26,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.96 : 38,161.76 = 17,955.12 : x
  2. Step 2: Convert to fraction form
    25,436.96/38,161.76 = 17,955.12/x
  3. Step 3: Cross multiply
    25,436.96x = 38,161.76 × 17,955.12
  4. Step 4: Simplify right side
    25,436.96x = 685,198,980.21
  5. Step 5: Solve for x
    x = 685,198,980.21/25,436.96
  6. Step 6: Final answer
    x = 26,937.14

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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.