Home / 25,162.80-37,720.20-9,363.60

Finding the Fourth Proportional to 25,162.80, 37,720.20 and 9,363.60

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Solution

The fourth proportional to 25,162.80, 37,720.20 and 9,363.60 is: 14,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.80 : 37,720.20 = 9,363.60 : x
  2. Step 2: Convert to fraction form
    25,162.80/37,720.20 = 9,363.60/x
  3. Step 3: Cross multiply
    25,162.80x = 37,720.20 × 9,363.60
  4. Step 4: Simplify right side
    25,162.80x = 353,196,864.72
  5. Step 5: Solve for x
    x = 353,196,864.72/25,162.80
  6. Step 6: Final answer
    x = 14,036.47

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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.