Home / 25,580.16-35,346.24-20,033.28

Finding the Fourth Proportional to 25,580.16, 35,346.24 and 20,033.28

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Solution

The fourth proportional to 25,580.16, 35,346.24 and 20,033.28 is: 27,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.16 : 35,346.24 = 20,033.28 : x
  2. Step 2: Convert to fraction form
    25,580.16/35,346.24 = 20,033.28/x
  3. Step 3: Cross multiply
    25,580.16x = 35,346.24 × 20,033.28
  4. Step 4: Simplify right side
    25,580.16x = 708,101,122.87
  5. Step 5: Solve for x
    x = 708,101,122.87/25,580.16
  6. Step 6: Final answer
    x = 27,681.65

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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.