Home / 18,466.62-25,477.59-10,399.02

Finding the Fourth Proportional to 18,466.62, 25,477.59 and 10,399.02

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Solution

The fourth proportional to 18,466.62, 25,477.59 and 10,399.02 is: 14,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.62 : 25,477.59 = 10,399.02 : x
  2. Step 2: Convert to fraction form
    18,466.62/25,477.59 = 10,399.02/x
  3. Step 3: Cross multiply
    18,466.62x = 25,477.59 × 10,399.02
  4. Step 4: Simplify right side
    18,466.62x = 264,941,967.96
  5. Step 5: Solve for x
    x = 264,941,967.96/18,466.62
  6. Step 6: Final answer
    x = 14,347.07

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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.