Home / 25,522.29-35,222.75-15,313.71

Finding the Fourth Proportional to 25,522.29, 35,222.75 and 15,313.71

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Solution

The fourth proportional to 25,522.29, 35,222.75 and 15,313.71 is: 21,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.29 : 35,222.75 = 15,313.71 : x
  2. Step 2: Convert to fraction form
    25,522.29/35,222.75 = 15,313.71/x
  3. Step 3: Cross multiply
    25,522.29x = 35,222.75 × 15,313.71
  4. Step 4: Simplify right side
    25,522.29x = 539,390,902.33
  5. Step 5: Solve for x
    x = 539,390,902.33/25,522.29
  6. Step 6: Final answer
    x = 21,134.11

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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.