Home / 25,834.16-35,661.96-21,875.76

Finding the Fourth Proportional to 25,834.16, 35,661.96 and 21,875.76

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Solution

The fourth proportional to 25,834.16, 35,661.96 and 21,875.76 is: 30,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,834.16 : 35,661.96 = 21,875.76 : x
  2. Step 2: Convert to fraction form
    25,834.16/35,661.96 = 21,875.76/x
  3. Step 3: Cross multiply
    25,834.16x = 35,661.96 × 21,875.76
  4. Step 4: Simplify right side
    25,834.16x = 780,132,478.09
  5. Step 5: Solve for x
    x = 780,132,478.09/25,834.16
  6. Step 6: Final answer
    x = 30,197.71

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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.