Home / 24,908.28-34,340.32-20,643.36

Finding the Fourth Proportional to 24,908.28, 34,340.32 and 20,643.36

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Solution

The fourth proportional to 24,908.28, 34,340.32 and 20,643.36 is: 28,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,908.28 : 34,340.32 = 20,643.36 : x
  2. Step 2: Convert to fraction form
    24,908.28/34,340.32 = 20,643.36/x
  3. Step 3: Cross multiply
    24,908.28x = 34,340.32 × 20,643.36
  4. Step 4: Simplify right side
    24,908.28x = 708,899,588.28
  5. Step 5: Solve for x
    x = 708,899,588.28/24,908.28
  6. Step 6: Final answer
    x = 28,460.40

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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.