Home / 25,116.24-37,681.49-20,480.10

Finding the Fourth Proportional to 25,116.24, 37,681.49 and 20,480.10

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Solution

The fourth proportional to 25,116.24, 37,681.49 and 20,480.10 is: 30,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116.24 : 37,681.49 = 20,480.10 : x
  2. Step 2: Convert to fraction form
    25,116.24/37,681.49 = 20,480.10/x
  3. Step 3: Cross multiply
    25,116.24x = 37,681.49 × 20,480.10
  4. Step 4: Simplify right side
    25,116.24x = 771,720,683.35
  5. Step 5: Solve for x
    x = 771,720,683.35/25,116.24
  6. Step 6: Final answer
    x = 30,725.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.