Home / 25,618.36-35,356.62-15,017.08

Finding the Fourth Proportional to 25,618.36, 35,356.62 and 15,017.08

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Solution

The fourth proportional to 25,618.36, 35,356.62 and 15,017.08 is: 20,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.36 : 35,356.62 = 15,017.08 : x
  2. Step 2: Convert to fraction form
    25,618.36/35,356.62 = 15,017.08/x
  3. Step 3: Cross multiply
    25,618.36x = 35,356.62 × 15,017.08
  4. Step 4: Simplify right side
    25,618.36x = 530,953,191.07
  5. Step 5: Solve for x
    x = 530,953,191.07/25,618.36
  6. Step 6: Final answer
    x = 20,725.49

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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.