Home / 25,616.36-35,353.86-15,015.08

Finding the Fourth Proportional to 25,616.36, 35,353.86 and 15,015.08

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Solution

The fourth proportional to 25,616.36, 35,353.86 and 15,015.08 is: 20,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.36 : 35,353.86 = 15,015.08 : x
  2. Step 2: Convert to fraction form
    25,616.36/35,353.86 = 15,015.08/x
  3. Step 3: Cross multiply
    25,616.36x = 35,353.86 × 15,015.08
  4. Step 4: Simplify right side
    25,616.36x = 530,841,036.21
  5. Step 5: Solve for x
    x = 530,841,036.21/25,616.36
  6. Step 6: Final answer
    x = 20,722.73

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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.