Home / 18,805.60-25,899.24-18,397.36

Finding the Fourth Proportional to 18,805.60, 25,899.24 and 18,397.36

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Solution

The fourth proportional to 18,805.60, 25,899.24 and 18,397.36 is: 25,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.60 : 25,899.24 = 18,397.36 : x
  2. Step 2: Convert to fraction form
    18,805.60/25,899.24 = 18,397.36/x
  3. Step 3: Cross multiply
    18,805.60x = 25,899.24 × 18,397.36
  4. Step 4: Simplify right side
    18,805.60x = 476,477,642.01
  5. Step 5: Solve for x
    x = 476,477,642.01/18,805.60
  6. Step 6: Final answer
    x = 25,337.01

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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.