Home / 25,620.70-35,316.15-19,238.08

Finding the Fourth Proportional to 25,620.70, 35,316.15 and 19,238.08

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Solution

The fourth proportional to 25,620.70, 35,316.15 and 19,238.08 is: 26,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.70 : 35,316.15 = 19,238.08 : x
  2. Step 2: Convert to fraction form
    25,620.70/35,316.15 = 19,238.08/x
  3. Step 3: Cross multiply
    25,620.70x = 35,316.15 × 19,238.08
  4. Step 4: Simplify right side
    25,620.70x = 679,414,918.99
  5. Step 5: Solve for x
    x = 679,414,918.99/25,620.70
  6. Step 6: Final answer
    x = 26,518.20

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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.