Home / 25,412.36-38,111.54-10,618.83

Finding the Fourth Proportional to 25,412.36, 38,111.54 and 10,618.83

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Solution

The fourth proportional to 25,412.36, 38,111.54 and 10,618.83 is: 15,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.36 : 38,111.54 = 10,618.83 : x
  2. Step 2: Convert to fraction form
    25,412.36/38,111.54 = 10,618.83/x
  3. Step 3: Cross multiply
    25,412.36x = 38,111.54 × 10,618.83
  4. Step 4: Simplify right side
    25,412.36x = 404,699,911.20
  5. Step 5: Solve for x
    x = 404,699,911.20/25,412.36
  6. Step 6: Final answer
    x = 15,925.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.