Home / 18,176.48-25,077.88-10,617.36

Finding the Fourth Proportional to 18,176.48, 25,077.88 and 10,617.36

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Solution

The fourth proportional to 18,176.48, 25,077.88 and 10,617.36 is: 14,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.48 : 25,077.88 = 10,617.36 : x
  2. Step 2: Convert to fraction form
    18,176.48/25,077.88 = 10,617.36/x
  3. Step 3: Cross multiply
    18,176.48x = 25,077.88 × 10,617.36
  4. Step 4: Simplify right side
    18,176.48x = 266,260,880.00
  5. Step 5: Solve for x
    x = 266,260,880.00/18,176.48
  6. Step 6: Final answer
    x = 14,648.65

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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.