Home / 25,119.48-34,657.79-16,172.16

Finding the Fourth Proportional to 25,119.48, 34,657.79 and 16,172.16

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Solution

The fourth proportional to 25,119.48, 34,657.79 and 16,172.16 is: 22,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,119.48 : 34,657.79 = 16,172.16 : x
  2. Step 2: Convert to fraction form
    25,119.48/34,657.79 = 16,172.16/x
  3. Step 3: Cross multiply
    25,119.48x = 34,657.79 × 16,172.16
  4. Step 4: Simplify right side
    25,119.48x = 560,491,244.27
  5. Step 5: Solve for x
    x = 560,491,244.27/25,119.48
  6. Step 6: Final answer
    x = 22,313.01

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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.